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Hafizan, Juahir and Mustafa, Mamat and Budiono, R and Sukono, . and Putra, A.S. and Bon, A.T. (2019) Dynamical analysis of carbon concentration model due to the interaction with biomass production based on predator-prey. In: 1st GCC International Conference on Industrial Engineering and Operations Management, IEOM 2019, 26-28 November 2019, Saudi Arabia.
Hafizan, Juahir and Mustafa, Mamat and Budiono, R and Nurzaman, M and Sukono, . and Bon, A.T. (2019) Estimation models of the impacts of the economic and population growth to changes in CO2 emissions in indonesia using the Cobb-Douglas production function. In: 1st GCC International Conference on Industrial Engineering and Operations Management, IEOM 2019, 26-28 November 2019, riyadh; Saudi Arabia.
Hafizan, Juahir and Mustafa, Mamat and Budiono, R and Sukono, . and Supian, S. and Nurzaman, M (2019) Modeling and analysis of CO2 emissions in million tons of sectoral greenhouse gases in Indonesia. In: 7th International Conference on Global Optimization and Its Application 2018, 30 August 2018, Bali; India.
Hafizan, Juahir and Sukono, . and Subartini, B and Thalia, P and Supian, S. and Lesmana, E and Budiono, R (2019) Modeling the impacts of constant price GDP and population on CO2 emissions using Cobb-Douglas model and ant colony optimization algorithm. In: 7th International Conference on Global Optimization and Its Application 2018,, 30 August 2018, Bali; India.
Hafizan, Juahir and Azimah, Ismail and Mahadzirah, Mohamad and Adiana, Ghazali and Hamzah, F.M and Sudianto, S and Mohd Lasim, M.L and Shahriz, M.A (2019) The assessment of Danau Kota Lake water quality using chemometrics approach. In: 7th International Conference on Global Optimization and Its Application 2018, 30 August 2018, Bali; India.
Roslan, Umar and Syed Mohd Hafiz, Syed Omar and Hafizan, Juahir and Nor Hazmin, Sabri and Nurul Syafiqah, Hasshim and Siti Nur Dianah, Abdul Rahman (2018) Topic: i- Tabayyun:semakan isu tular berkaitan falak kontemporari menerusi aplikasi telefon pintar. In: International University Canival On E-Learning, 12-13 Sep 2018, Gombak.
Hafizan, Juahir and Mohd Saupi, Mohd Zin and Mohd Khairul Amri, Kamarudin and Azman, Azid and Noorjima, Abd Wahab (2017) Assessment of Water Quality Status Using Univariate Analysis at Klang and Juru River, Malaysia. In: International Conference on environmental, Sports and Recreation and Technology & Applications for Disaster Management International Conference, 8 August 2017, UNISZA.
Noor Aini, Mohd Yusoff and Aryati, Ahmad and Mohd Razif, Shahril and Sharifah Wajihah Wafa, Syed Saadun Tarek Wafa and Karimah Fakhriah, Ismail and Lua, Pei Lin and Sakinah, Harith and Hafizan, Juahir and Sharmila, Ganeson and Roslee, Rajik (2017) Determination of physical activity level in undergraduate UniSZA students using pedometer and ipaq. In: International Conference on Environmental, Sports & Recreation AND Technology & Applications for Disaster Management International Conference 2017 (ICESR & TADMIC 2017), 3 Oct 2017, Setiu, Terengganu, Malaysia.
Mohd Khairul Amri, Kamarudin and Hafizan, Juahir and Muhammad Barzani, Gasim and Mohd Ekhwan, Toriman and Roslan, Umar and Azizah, Endut (2017) Development of stream classification system on tropical areas with statistical approval in Pahang River basin, Malaysia. In: International Conference on Challenges in Environmental Science & Engineering, 27 June 2017, Kaohsiung.
Samhani, Ismail and Hafizan, Juahir and Tahamina, Begum and Zamzuri, Idris and Jafri Malin, Abdullah and Mohammed Faruque, Reza (2017) Emotional Empathy and verbal fluency mirrorred in alpha desynchronization in Sura Fatiha recittaion listening. In: Joint Annual Scientific Meeting & Annual General Meeting, 11-13 August 2017, Kuala Lumpur, Malaysia.
Muhammad Barzani, Gasim and Mohd Khairul Amri, Kamarudin and Roslan, Umar and Hafizan, Juahir and Mohd Ekhwan, Toriman and Diya, S.G and Ahmad Shakir, Mohd Saudi and Abdullahi, M.G and Rabiu, A.A (2017) Flood simulation model using XP-SWMM along Terengganu river, Malaysia. In: International Conference on environmental, Sports and Recreation and Technology & Applications for Disaster Management International Conference, 8 Aug 2017, UNISZA.
Noor Aini, Mohd Yusoff and Aryati, Ahmad and Mohd Razif, Shahril and Sharifah Wajihah Wafa, Syed Saadun Tarek Wafa and Karimah Fakhriah, Ismail and Lua, Pei Lin and Hafizan, Juahir and Sharmila, Ganeson and Roslee, Rajikan (2017) Physical activity level among undergraduate students in Terengganu, Malaysia using pedometer. In: International Conference on Environmental, Sports & Recreation AND Technology & Applications for Disaster Management International Conference 2017 (ICESR & TADMIC 2017), 3 Oct 2017, Setiu, Terengganu, Malaysia.
Hafizan, Juahir and Mohd Khairul Amri, Kamarudin and Mohd Ekhwan, Toriman and Siti Nor Fazillah, Abdullah (2017) Potential of multivariate analysis in substance abuse research. In: International Conference on environmental, Sports and Recreation and Technology & Applications for Disaster Management International Conference, 8 Aug 2017, UNISZA.
Noorjima, Abd Wahab and Mohd Khairul Amri, Kamarudin and Hafizan, Juahir and Roslan, Umar and Azizah, Endut (2016) Assessments of sedimentation problem for river catchment management in Terengganu River, Malaysia. In: Challenges in Environmental Science & Engineering, 06-10 Nov 2016, Kaohsiung, Taiwan.
Mohd Khairul Amri, Kamarudin and Hafizan, Juahir and Mohd Ekhwan, Toriman and Roslan, Umar and Azizah, Endut (2016) Development of stream classification system on river catchment management with environmental statistical techniques approval. In: Challenges in Environmental Science & Engineering, 06-10 Nov 2016, Taiwan.
Roslan, Umar and Mohd Khairul Amri, Kamarudin and Hafizan, Juahir and Azizah, Endut (2016) Environment Protection of Radio Astronomy Measurements from Ground Based Interference. In: Conference on the Challenges in Environmental Science and Engineering, 06-10 Nov 2016, Kaohsiung, Taiwan.
Hafizan, Juahir and Azman, Azid and Isa Baba, Koki and Sharifuddin, Md. Zain and Hin, Kow Kah (2016) Evaluation of lake water quality in Klang valley using multivariate statistical techniques. In: The 16th World Lake Conference, 07 Nov 2016, Discovery Kartika Plaza Hotel, Bali.
Hafizan, Juahir and Azizah, Endut and Abdullah, SHY Sayid (2015) Potential of Green Microalgae Biodiesel in Malaysia: A Review. In: Research Conference, 14-16 April 2015, UNISZA.
Hafizan, Juahir and Azman, Azid and Mohd Khairul Amri, Kamarudin and Mohd Ekhwan, Toriman (2014) Young environmental scientist (Y.E.S) program to enhance the environmental awareness among the Malaysian school students. In: Proceedings of INTED2014 Conference, 12 March 2014, Valencia, Spain.
Mohd Mokhlesur, Rahman and Hafizan, Juahir and Tengku Mohammad Ariff, Raja Hussin (2019) The Superiority of Supercritical Fluid Extraction Over Steam Distillation and Solvent Extraction Methods for the Extraction of Aroma from Salacca zalacca (Gaertn.) Voss. Oriental Journal of Chemistry, 35 (6). pp. 1669-1677. ISSN 0970-020X
Rohayah, Husain and Hafizan, Juahir and Samhani, Ismail (2018) Attentional Process During Listening to Quantitative Quranic Verses (Fatihah Chapter) Associated with Memory, Speech and Emotion. Asian Journal Medicine & Biomedicine, 2 (1). pp. 172-181. ISSN 2600-8173
Azman, Azid and Fathurrahman, Lananan and Saiful Iskandar, Khalit and Hafizan, Juahir (2018) Pollution Sources Identification of Water Quality Using Chemometrics: a Case Study in Klang River Basin, Malaysia. International Journal of Engineering & Technology, 7 (4). pp. 83-89. ISSN 2227-524X
Roslan, Umar and Mohd Khairul Amri, Kamarudin and Hafizan, Juahir (2018) Magnetic Data Acquisition System (MAGDAS) Malaysia: installation and preliminary data analysis at ESERI, UNISZA. Indian J Phys, 1 (1). pp. 1-12. ISSN 0973-1458
Roslan, Umar and Ireana Yusra, Abdul Fatah and Mohd Khairul Amri, Kamarudin and Nik Ahmad Firdaus, Nik Wan and Hafizan, Juahir (2018) Assessment Of AHP For Optical Observatory And New Moon Sighting Sites In Peninsular Of Malaysia. Journal of Fundamental and Applied Sciences, 10 (1S). pp. 432-444. ISSN 1112-9867
Mohd Khairul Amri, Kamarudin and Muhammad Barzani, Gasim and Hafizan, Juahir (2018) CLIMATE CHANGES IMPACTS TOWARDS SEDIMENTATION RATE AT TERENGGANU RIVER, TERENGGANU, MALAYSIA. Journal of Fundamental and Applied Sciences, 10 (1S). pp. 33-51. ISSN 1112-9867
Mohamad Razali, Abdullah and Hafizan, Juahir and N. A., Kosni (2018) A COMPARATIVE ANALYSIS OF JUGGLING SKILL BETWEEN SEPAK RAGA AND BULU AYAM. JOURNAL OF FUNDAMENTAL AND APPLIED SCIENCES, 10 (1S). pp. 857-868. ISSN 1112-9867
Mohamad Razali, Abdullah and Norzulaika, Alias and Hafizan, Juahir (2018) COMPARISON OF BODY FAT PERCENTAGE AND PHYSICAL PERFORMANCE OF MALE NATIONAL SENIOR AND JUNIOR KARATE ATHLETES. JOURNAL OF FUNDAMENTAL AND APPLIED SCIENCES, 10 (1S). pp. 485-511. ISSN 1112-9867
Ireana Yusra, Abdul Fatah and Azizah, Endut and Hafizan, Juahir (2018) CONTROLLING OF GREEN NANOCELLULOSE FIBER PROPERTIES PRODUCED BY CHEMO-MECHANICAL TREATMENT PROCESS VIA SEM, TEM, AFM AND IMAGE ANALYZER CHARACTERIZATION. Journal of Fundamental and Applied Sciences, 10 (1S). pp. 1-17. ISSN 1112-9867
Noor Zarina, Abd Wahab and Hafizan, Juahir and Adiana, Ghazali (2018) CYTOTOXICITY AND ANTIVIRAL ACTIVITY OF ANNONA MURICATA AQUEOUS LEAVES EXTRACT AGAINST DENGUE VIRUS TYPE 2. Journal of Fundamental and Applied Sciences, 10 (1S). pp. 580-589. ISSN 1112-9867
Noor Zarina, Abd Wahab and Hafizan, Juahir and Adiana, Ghazali and Fathurrahman, Lananan (2018) Cytotoxicity And Antiviral Activity Of Annona Muricata Aqueous Leaves Extract Against Dengue Virus Type 2. Journal of Fundamental and Applied Sciences, 10 (1S). pp. 580-589. ISSN 1112-9867
Mahadzirah, Mohamad and Mohd Khairul Amri, Kamarudin and Nor Azman, Mat Ali @ Salim and Hafizan, Juahir (2018) Development of Spatial Distribution Model using GIS to Identify Social Support Index Among Drug-Abuse Inmates. International Journal of Engineering & Technology, 7 (2.15). pp. 1-7. ISSN 2227-524X
Norzulaika, Alias and Hafizan, Juahir and Mohamad Razali, Abdullah (2018) AN INTELLIGENT TALENT RECOGNITION OF MALE YOUTH FIELD HOCKEY PLAYERS USING PHYSICAL FITNESS, ANTHRO-ENERGY INTAKE AND PSYCHOLOGICAL VARIABLES. JOURNAL OF FUNDAMENTAL AND APPLIED SCIENCES, 10 (1S). pp. 204-232. ISSN 1112-9867
Mohd Khairul Amri, Kamarudin and Ireana Yusra, Abdul Fatah and Muhammad Barzani, Gasim and Hafizan, Juahir (2018) Impact Sedimentation To Community Structure Macrozoobenthos In Segara Anakan Lagoon. Journal of Fundamental and Applied Sciences, 10 (1S). pp. 565-579. ISSN 1112-9867
Hafizan, Juahir and Ireana Yusra, Abdul Fatah and Mohd Khairul Amri, Kamarudin (2018) Improving unprecedented restlessness as the new strong indicator of rice crisis at national level. Journal of Fundamental and Applied Sciences, 10 (1S). pp. 128-138. ISSN 1112-9867
Noor Zarina, Abd Wahab and Adiana, Ghazali and Mohd Khairul Amri, Kamarudin and Hafizan, Juahir (2018) In Vitro Antiviral Activity Of Orthosiphon Stamineus Extract Against Dengue Virus Type 2. Journal of Fundamental and Applied Sciences, 10 (1S). pp. 541-551. ISSN 1112-9867
Muhammad Barzani, Gasim and Mohd Khairul Amri, Kamarudin and Hafizan, Juahir (2018) POTENTIAL OF SEA LEVEL RISE IMPACT ON SOUTH CHINA SEA: A PRELIMINARY STUDY IN TERENGGANU, MALAYSIA. Journal of Fundamental and Applied Sciences, 10 (15). pp. 156-168. ISSN 1112-9867
Azman, Azid and Saiful Iskandar, Khalit and Hafizan, Juahir (2018) PREDICTION MODEL OF MISSING DATA: A CASE STUDY OF PM10 ACROSS MALAYSIA REGION. Journal of Fundamental and Applied Sciences, 10 (1S). pp. 182-203. ISSN 1112-9867
Mohamad Razali, Abdullah and Hafizan, Juahir and Z., Taha (2018) SUPERVISED PATTERN RECOGNITION OF ARCHERS’ RELATIVE PSYCHOLOGICAL COPING SKILLS AS A COMPONENT FOR A BETTER ARCHERY PERFORMANCE. JOURNAL OF FUNDAMENTAL AND APPLIED SCIENCES, 10 (1S). pp. 467-484. ISSN 1112-9867
Adiana, Ghazali and Ireana Yusra, Abdul Fatah and Roslan, Umar and Hafizan, Juahir (2018) Status Of Population, Occupation And Seasonal Habitat Displacement Of Alien Bird Species In West Java Tropical Forest, Indonesia. Journal of Fundamental and Applied Sciences, 10 (1S). pp. 552-564. ISSN 1112-9867
Hafizan, Juahir and Syed Mohd Hafiz, Syed Omar and Mohd Khairul Amri, Kamarudin and Azli Fairuz, Laki and Nasir, Mohamad (2017) Developing an index based on GIS and statistical analysis for family support of substance abuser in Terengganu. Malaysian Journal of Applied Sciences, 2 (2). pp. 45-54. ISSN 0127-9246
Khamsah Suryati, Mohd and Nashriyah, Mat and Hafizan, Juahir and Azierah, Azemin and Zhari, Ismail (2017) Discriminating factors for Ficus deltoidea Jack varieties by HPTLC coupled with Chemometrics. Journal of Agrobiotechnology, 8 (2). pp. 86-95. ISSN 2180-1983
Abdul Rahman, Hassan and Mohd Khairul Amri, Kamarudin and Hafizan, Juahir and Nurul Hannan, Mohd Safari and Sabariah, Rozali (2017) Effect of Cetyle Trimethyl Ammonium Bromide (CTAB) surfactant on nanofiltration membrane for dye removal. Malaysian Journal of Applied Sciences, 2 (2). pp. 29-36. ISSN 0127-9246
Mohd Khairul Amri, Kamarudin and Che Mansor, Jusoh and Hafizan, Juahir and Azman, Azid (2016) Environmental Management on Natural Lake Using Sediment and Hydrology Hydraulic Models. Malaysian Journal of Applied Sciences, 1 (2). pp. 9-26. ISSN 0127-9246
Hafizan, Juahir and Nor Nasriah, Zaini and Rozita, Osman (2016) Development of Chromatographic Fingerprints of Eurycoma longifolia (Tongkat Ali) Roots Using Online Solid Phase Extraction-Liquid Chromatography (SPE-LC). Molecules, 21 (5). pp. 1-10. ISSN 1420-3049
Azimah, Ismail and Hafizan, Juahir and Mohd Ekhwan, Toriman (2016) Chemometric techniques in oil classification from oil spill fingerprinting. Marine Pollution Bulletin, 111 (1-2). pp. 339-346. ISSN 0025-326X
Hafizan, Juahir and Aida Soraya, Shamsuddin and Sharifah Norkhadijah, Syed Ismail (2016) Contamination of nitrate in groundwater and evaluation of health risk in bachok, kelantan: A cross-sectional study. American Journal of Applied Sciences, 13 (1). pp. 80-90. ISSN 15469239 [P]
Hafizan, Juahir and Azman, Azid and Low, Kah Hin (2016) Evaluation of water quality variation in lakes, rivers, and ex-mining ponds in Malaysia. Desalination and Water Treatment, 57 (58). pp. 28215-28239. ISSN 19443994
Mohamad Razali, Abdullah and Hafizan, Juahir and Ahmad Bisyri Husin, Musawi Maliki (2016) Intelligent Prediction of Soccer Technical Skill on Youth Soccer Player’s Relative Performance Using Multivariate Analysis and Artificial Neural Network Techniques. International Journal on Advance Science Engineering Information Technology, 6 (5). pp. 668-674. ISSN 2088-5334
Hafizan, Juahir and Tengku Hanidza, Tengku Ismail and Sharifuddin, Zain (2016) Local community acceptance of the rare earth industry: the case of the Lynas Advanced Materials Plant (LAMP) in Malaysia. Environment, Development and Sustainability, 18 (3). pp. 739-762. ISSN 1387-585X
Mohamad Razali, Abdullah and Mainul, Haque and Hafizan, Juahir (2016) Multi-hierarchical pattern recognition of athlete's relative performance as a criterion for predicting potential athletes. Journal of Young Pharmacists, 8 (4). pp. 463-470. ISSN 09751483
Azman, Azid and Mohd Khairul Amri, Kamarudin and Hafizan, Juahir (2016) Selection of the Most Significant Variables of Air Pollutants Using Sensitivity Analysis. Journal of Testing and Evaluation, 44 (1). pp. 376-384. ISSN 0090-3973
Azimah, Ismail and Mohd Khairul Amri, Kamarudin and Hafizan, Juahir (2016) Spatial assessment and source identification of heavy metals pollution in surface water using several chemometric techniques. Marine Pollution Bulletin, 106 (1-2). pp. 292-300. ISSN 0025326X
Hafizan, Juahir and Zarizal, Suhaili and Azman, Azid (2016) A study of microbe air levels in selected rooms of a hospital cultivated on two culture medias [Kajian tahap mikrob dalam udara yang di kultur pada dua media kultur di dalam bilik hospital terpilih]. Malaysian Journal of Analytical Sciences, 20 (5). pp. 1217-1224. ISSN 1394 - 2506
Azman, Azid and Mohd Ekhwan, Toriman and Hafizan, Juahir (2015) Flood risk pattern recognition by using environmetric technique: A case study in langat river basin. Jurnal Teknologi, 77 (1). pp. 145-152. ISSN 01279696
Azman, Azid and Hafizan, Juahir and Mohamad Romizan, Osman (2015) Indoor air quality at higher institution’s laboratory: A study on pre-symptoms, awareness and understanding among occupants. Jurnal Teknologi, 77 (1). pp. 95-100. ISSN 01279696
Azman, Azid and Hafizan, Juahir and Hairul Nazmin, Nasruddin (2015) Nox emission modelling from industrial steam boilers. Jurnal Teknologi, 76 (1). pp. 115-123. ISSN 01279696
Azman, Azid and Mohd Ekhwan, Toriman and Hafizan, Juahir (2015) Environmetric Techniques Application in Water Quality Assessment: A Case Study in Linggi River Basin. Jurnal Teknologi, 74 (1). pp. 151-157. ISSN 2180–3722
Auwalu, Rabiu Ali and Mohd Ekhwan, Toriman and Muhammad Barzani, Gasim and Hafizan, Juahir (2015) The effectiveness of young environmental scientist program among secondary school students in Terengganu, Malaysia. Journal Of Humanities And Social Science, 20 (3). pp. 72-77. ISSN 2279-0845
Mohd Khairul Amri, Kamarudin and Hafizan, Juahir and Azman, Azid (2015) Analysis of meander evolution studies on effect from land use and climate change at the upstream reach of the Pahang River, Malaysia. Mitigation and Adaptation Strategies for Global Change, 20 (8). pp. 1319-1334. ISSN 1381-2386
Hafizan, Juahir and Hamza, Ahmad Isiyaka (2015) Analysis of surface water pollution in the Kinta river using multivariate technique [Penilaian pencemaran air permukaan di sungai Kinta menggunakan teknik multivariat]. Malaysian Journal of Analytical Sciences, 19 (5). pp. 1019-1031. ISSN 13942506
Azman, Azid and Hafizan, Juahir and Ismail, Zainal Abidin (2015) Application of Excel-VBA for computation of water quality index and air pollutant index [Penggunaan Excel-VBA untuk pengiraan indeks kualiti air dan indeks pencemaran udara]. Malaysian Journal of Analytical Sciences, 19 (5). pp. 1056-1064. ISSN 13942506
Azman, Azid and Mohd Ekhwan, Toriman and Hafizan, Juahir (2015) Assessment of surface water quality using multivariate statistical techniques in the terengganu river basin [Penilaian kualiti air permukaan menggunakan teknik statistik multivariat bagi lembangan sungai Terengganu]. Malaysian Journal of Analytical Sciences, 19 (2). pp. 338-348. ISSN 13942506
Hafizan, Juahir and Veerasingan Armugam, Santhi and Ananthy, Retnam (2015) Chemometric Interpretation on the Occurrence of Endocrine Disruptors in Source Water from Malaysia. Clean - Soil, Air, Water, 43 (6). pp. 804-110. ISSN 18630650
Hafizan, Juahir and Mohd Zaid Arqam, Zainal Abidin and Nurhidayatullaili, Muhd Julkapli (2015) Fabrication and properties of chitosan with starch for packaging application. Malaysian Journal of Analytical Sciences, 19 (5). pp. 1032-1042. ISSN 13942506
Azman, Azid and Mohd Ekhwan, Toriman and Hafizan, Juahir (2015) Flood Risk Pattern Recognition Using Chemometric Technique: A Case Study In Kuantan River Basin. Jurnal Teknologi, 72 (1). pp. 137-141. ISSN 2180–3722
Azman, Azid and Hafizan, Juahir and Ahmad Shakir, Mohd Saudi (2015) Flood risk index assessment in Johor river basin [Penilaian indeks risiko banjir di lembangan sungai Johor]. Malaysian Journal of Analytical Sciences, 19 (5). pp. 991-1000. ISSN 13942506
Mohd Khairul Amri, Kamarudin and Hafizan, Juahir and Azman, Azid (2015) Geographical information system (GIS) for relationship between dengue disease and climatic factors at Cheras, Malaysia [Perhubungan antara kes denggi dan faktor iklim menggunakan sistem maklumat geografi di Cheras, Malaysia]. Malaysian Journal of Analytical Sciences, 19 (6). pp. 1318-1326. ISSN 13942506
Azman, Azid and Hafizan, Juahir and Fazureen, Azaman (2015) Hydrogen gas production from glycerol via steam reforming using nickel loaded zeolite catalyst. Malaysian Journal of Analytical Sciences, 19 (5). pp. 1043-1055. ISSN 13942506
Hafizan, Juahir and Mohd Hafifi, Mat Nazir and Wan Nor Azmin, Sulaiman (2015) Hydrologic response characteristics of a tropical catchment to land use changes: a case study of The Nerus catchment. Environmental Earth Sciences, 73 (11). pp. 7533-7545. ISSN 18666280
Hafizan, Juahir and Syahril Hirman, Azmee and Ahmad Dasuki, Mustafa (2015) Oil spill related heavy metal: A review [Logam berat berkaitan tumpahan minyak: Satu ulasan]. Malaysian Journal of Analytical Sciences, 19 (6). pp. 1348-1360. ISSN 13942506
Muhammad Barzani, Gasim and Mohd Ekhwan, Toriman and Hafizan, Juahir (2015) Phenomenon of Slope Failure Occurrences along Gerik-Jeli Highway, Malaysia. Journal of Applied Sciences, 15 (3). pp. 545-551. ISSN 1812-5654
Azman, Azid and Mohd Ekhwan, Toriman and Hafizan, Juahir (2015) Source Apportionment of Air Pollution: A Case Study In Malaysia. Jurnal Teknologi, 72 (1). pp. 83-88. ISSN 2180–3722
Azman, Azid and Zarizal, Suhaili and Hafizan, Juahir (2015) Spatial air quality modelling using chemometrics techniques: A case study in Peninsular Malaysia [Pemodelan ruang kualiti udara menggunakan teknik-teknik kemometrik: Satu kajian kes di semenanjung Malaysia]. Malaysian Journal of Analytical Sciences, 19 (6). pp. 1415-1430. ISSN 13942506
Hafizan, Juahir and Muhammad Barzani, Gasim and Mohd Ekhwan, Toriman (2014) Rainfall Dynamics of Terengganu Malaysia and its Recent Trends Analysis Using the Mann-Kendall Test. Journal of Advances in Biotechnology, 4 (2). pp. 372-381. ISSN 2348-6201
Mohd Khairul Amri, Kamarudin and Hafizan, Juahir and Azman, Azid (2014) Spatial Assessment of Air Pollution Index Using Environ Metric Modeling Techniques. Advances in Environmental Biology, 8 (24). pp. 244-256. ISSN 1995-0756
Hafizan, Juahir and Norshidah, Baharuddin and Norashikin, Saim (2014) Characterization of spatial patterns in river water quality using chemometric techniques. Sains Malaysiana, 43 (9). pp. 1355-1362. ISSN 01266039
Hafizan, Juahir and Nur Mun’im, Mohd Han and Mohd Talib, Latif (2014) Composition of selected heavy metals in road dust from Kuala Lumpur city centre. Environmental Earth Sciences, 72 (3). pp. 849-859. ISSN 1866-6280
Azman, Azid and Hafizan, Juahir and Mohd Ekhwan, Toriman (2014) Prediction of the Level of Air Pollution Using Principal Component Analysis and Artificial Neural Network Techniques: a Case Study in Malaysia. Water, Air, & Soil Pollution, 225 (8). ISSN 00496979
Hafizan, Juahir and Ahmad Zaharin, Aris and Wan Ying, Lim (2014) Water Quality Status of Selected Rivers in Kota Marudu, Sabah, Malaysia and its Suitability for Usage. Sains Malaysiana, 43 (3). pp. 377-388.
Hafizan, Juahir and Jafon, Ng Mum Zhong and Mohd Talib, Latif (2014) Source Apportionment of Particulate Matter (PM10) and Indoor Dust in a University Building. Environmental Forensics, 15. pp. 8-16. ISSN 1527-5922
Hafizan, Juahir and Fatimah, Ahamad and Mohd Talib, Latif (2014) Variation of surface ozone exceedance around Klang Valley, Malaysia. Atmospheric Research, 139. pp. 116-127. ISSN 0169-8095
Mohd Khairul Amri, Kamarudin and Mohd Ekhwan, Toriman and Hafizan, Juahir (2014) Analysis of meander evolution studies on effect from land use and climate change at the upstream reach of the Pahang River, Malaysia. Mitigation and Adaptation Strategies for Global Change. pp. 1-16. ISSN 1381-2386
Azman, Azid and Hafizan, Juahir and Mohd Talib, Latif and Sharifuddin, Mohd Zain (2013) Feed-forward artificial neural network model for air pollutant index prediction in the Southern Region of Peninsular Malaysia. Journal of Environmental Protection, 4 (12). pp. 1-10. ISSN 2152-2197
Hafizan, Juahir and Nur Mun’im, Mohd Han and Mohd Talib, Latif and Murnira, Othman (2013) Composition of selected heavy metals in road dust from Kuala Lumpur city centre. Environmental Earth Sciences,, 72 (2014). pp. 849-859. ISSN 1866-6280
Hafizan, Juahir and Adiana, Ghazali and Fathurrahman, Lananan Spatial variation of Melaleuca cajuputi powell essential oils. Journal of Fundamental and Applied Sciences, 10 (1S). pp. 139-155. ISSN 1112-9867
