Chiang Mai Journal of Science

Adsorption Performance of Spherical Porous SiO2 on Heavy Metal Cu2+ in Wastewater
DOI: 10.12982/CMJS.2025.075.

Yan-Min Chen, Zhen-Zhen Chen, Bei-Bei Qi, Ye-Xuan Cai, Jia-Meng Li and Yi-Fan Han

Vol.52 No.5 (September 2025)
Research Article View: 1,198 Download: 106

Synthesis, Characterization, and Ethylene Removal of Silver-Zeolite (LTA, MFI) for Fruit Preservation
DOI: 10.12982/CMJS.2025.071.

Ta Diem Quynh, Ho Nguyen Van Khanh, Ho Gia Quynh, Nguyen Manh Khang , Vo Tran Minh Khoa, Ngo Tran Hoang Duong and Nguyen Quang Long

Vol.52 No.5 (September 2025)
Research Article View: 516 Download: 148

Barite Adsorption Efficiency for Removal of Mannose. Experimental Measurements and Equilibrium Study
DOI: 10.12982/CMJS.2025.034.

Mustafa Jaip Allah Abdelmageed Abualreish

Vol.52 No.3 (May 2025)
Research Article View: 475 Download: 247

A Rhizobacterium Kitasatospora nipponensis Demonstrates Antifungal Activity against Basal Stem Rot Disease and Promotes Plant Growth in Oil Palm (Elaeis guineensis) Seedlings
DOI: 10.12982/CMJS.2025.033.

Anurag Sunpapao, Supaporn Pithakkit and Prisana Wonglom

Vol.52 No.3 (May 2025)
Research Article View: 795 Download: 334

Catalytic Degradation Performance of Manganese-Zinc Ferrite Nanoparticles Coated With Eggshell-Derived Calcium Oxide For Rhodamine B Removal
DOI: 10.12982/CMJS.2025.006.

Walaa Alharbi, Khadija Alharbi, Abdullah Alotaibi and Sami Abdel Azeem

Vol.52 No.1 (January 2025)
Research Article View: 648 Download: 298

Removal of Chromium (III) Heavy Metal Ions from Aqueous Solutions by Green Synthesized Calix[6]arene
DOI: 10.12982/CMJS.2025.005.

Susy Yunita Prabawati, Nina Hamidah and Afifah Mufidati

Vol.52 No.1 (January 2025)
Research Article View: 779 Download: 366

Assessment of Cationic Salts and Inorganic Acids as Washing Agents for Cs-137 Removal from Radioactively Contaminated Electric Arc Furnace Dust
DOI: 10.12982/CMJS.2024.108.

Thunyaras Akharawutchayanon, Pichittra Thawong, Poonnaphob Sopapan, Klitsadee Yubonmhat, Sudarat Issarapanacheewin, Kewalee Nilgumhang, Nikom Prasertchiewchan and Witsanu Katekaew

Vol.51 No.6 (November 2024)
Research Article View: 829 Download: 230

Isolation and Identification of Lipase-producing Bacteria from Wastewater Treatment Pond for the Removal of Oil and Grease in Wastewater Treatment
DOI: 10.12982/CMJS.2024.096.

Ganogwan Sukplang, Chaiyanut Narasettiti, Orawan Chunhachart, Moltira Srithaworn, Wanlapa Lorliam, Sukhumaporn Krajangsang and Titiporn Panyachanakul

Vol.51 No.6 (November 2024)
Research Article View: 954 Download: 1,027

Reduction of the Low Zinc-containing EAF Dust and Coke
DOI: 10.12982/CMJS.2024.082.

Anh-Hoa Bui, Thi-Ha Nguyen, Cao-Son Nguyen and Youn-Bae Kang

Vol.51 No.5 (September 2024)
Research Article View: 786 Download: 498

H2S Removal from Biogas using Steel Wool (Fe2O3) Adsorption Combined with Water Absorption: Experimental and Modelling via RSM
DOI: 10.12982/CMJS.2024.027.

Jiraporn Paoaiang, Prukraya Pongyeela, Nirana Chairerk and Juntima Chungsiriporn

Vol.51 No.2 (March 2024)
Research Article View: 1,476 Download: 1,722

Water-based Synthesis of MIL-53(Al) at Room Temperature: An Effective Adsorbent for Oxytetracycline (OTC) Antibiotic Removal from Water
DOI: 10.12982/CMJS.2024.010.

Parnuch Hongsawat, Phuri Kalnaowakul and Panida Prarat

Vol.51 No.1 (January 2024)
Research Article View: 1,637 Download: 620

Development and Optimization of an Amperometric Bi-enzyme Biosensor for Aspartame Determination
DOI: 10.12982/CMJS.2023.064.

Tanaporn Tangtawewipat and Saipin Thanachasai

Vol.50 No.6 (November 2023)
Research Article View: 1,284 Download: 583

Drying Characteristics and Mitragynine Content of Kratom Leaves
DOI: 10.12982/CMJS.2023.059.

Juntima Chungsiriporn, Prukraya Pongyeela, Nirana Chairerk, Jutarut Iewkittayakorn and Wiriya Duangsuwan

Vol.50 No.6 (November 2023)
Research Article View: 1,447 Download: 3,046

Preparation of Porous Silica Nanoparticles by Chemical Etching for Removal of Paraquat from Aqueous Solution
DOI: 10.12982/CMJS.2023.009.

Kanokwan Darasoon, Supawitch Hoijang, Tanapong Kunakham, Sorapong Janhom, Supon Ananta, Gyu Leem and Laongnuan Srisombat

Vol.50 No.1 (January 2023)
Research Article View: 1,620 Download: 1,187

Hydrochar from Lansium domesticum and Salacca zalacca Peel as Adsorbent on Rhodamine-B Removal: Adsorption Process and Regeneration Studies
DOI: 10.12982/CMJS.2022.108.

Mauizatul Hasanah, Alfan Wijaya, Risfidian Mohadi, Fitri Suryani Arsyad and Aldes Lesbani

Vol.49 No.6 (November 2022)
Research Article View: 1,665 Download: 447

2-Methylimidazole-modified Iron Metal-organic Framework as an Efficient Methylene Blue Adsorbent
DOI: 10.12982/CMJS.2022.104.

Yingxin Zhao, Hao Hu, Shengyu Zhang, Shiya Feng, Yun Yang, Xiongjian Li and Shuijin Yang

Vol.49 No.6 (November 2022)
Research Article View: 1,604 Download: 481

Process Optimization and Modeling of Low-cost Activated Carbon Preparation and Its Application in Chromium(VI) Removal
DOI: 10.12982/CMJS.2022.100.

Theeradit Phothitontimongkol and Kanyarak Prasertboonyai

Vol.49 No.6 (November 2022)
Research Article View: 1,531 Download: 529

Sorption Studies of Cesium on Kunipia-F Bentonite and Silicon Dioxide
DOI: 10.12982/CMJS.2022.093.

Anan O-Manee, Youichi Enokida and Kayo Sawada

Vol.49 No.5 (September 2022)
Research Article View: 1,623 Download: 637

Cigarette Butts Valorization: Activated Hydrochar for Methylene Blue Removal
DOI: 10.12982/CMJS.2022.062.

Naphatsarnan Phasukarratchai, Budsarin Yattipat, Parichat Muengkrajang, Sasishai Permpoon and Alissara Reungsang

Vol.49 No.4 (July 2022)
Research Article View: 1,870 Download: 1,292

Non-Covalent Interactions between Graphene and Cluster of Ruthenium Oxides and Vanadium Oxides : A Dispersioncorrected Density Functional Theory Study
page: 1606 - 1619

Paphawarin Kheownil, Parameat Seesopha, Sawitree Chuaychoocherd, Panichakorn Jaiyong and Yuthana Tantirungrotechai

Vol.48 No.6 (November 2021)
Research Article View: 1,615 Download: 942

Density Functional Theory Study of Methane Adsorption on LaCoO3 (001) Surface
page: 1645 - 1656

Xuefeng Wang, Hongyan Zhang,Cunbao Deng, Ling Qiao and Shuangli Du

Vol.48 No.6 (November 2021)
Research Article View: 1,564 Download: 487

Preparation of Cattail-derived Activated Carbon and Its Adsorption Performance toward Ibuprofen and Diclofenac in Water
page: 1538 - 1554

Suhua Han, Qiannan Cao, Dongxu Qian, Ye Yang and Minbo Lu

Vol.48 No.6 (November 2021)
Research Article View: 1,564 Download: 327

Acceleration of Acid-catalyzed Transesterification Reaction by Minimizing Glycerol to Fatty Acid Methyl Ester Ratio
page: 1381 - 1393

Watcharin Rattanapong, Kulchanat Prasertsit and Chakrit Tongurai

Vol.48 No.5 (September 2021)
Research Article View: 1,439 Download: 571

Adsorptive Removal of Malachite Green from Aqueous Solution over Graphite-layered Double Hydroxides Composite
page: 1351 - 1362

Neza Rahayu Palapa, Tarmizi Taher, Shahibul Fajri and Aldes Lesbani

Vol.48 No.5 (September 2021)
Research Article View: 1,576 Download: 1,085

Molecular Modeling Study on Inhibitor Binding Site Behavior of Sirtuin 7 and Other Sirtuin Isoforms
page: 470 - 488

Adi Suwandi and Daryono Hadi Tjahjono

Vol.48 No.2 (March 2021)
Research Article View: 937 Download: 313

Intercalated Zn-Cr-[α-SiW12O40] as Removal Agents of Cobalt (II) in Watery Phase: Adsorption and Regeneration Study
page: 545 - 556

Luna Silaen, Neza Rahayu Palapa, Elfita, Risfidian Mohadi and Aldes Lesbani

Vol.48 No.2 (March 2021)
Research Article View: 1,500 Download: 386

A Novel Polyacrylamide-divinylbenzene Functionalized Fe3O4/Coconut Shell Adsorbent with Superior Capacity for Removal of Acridine Orange
page: 520 - 532

Huan Wang*, Wei Zhao, Youning Chen, Xiaoling Yang and Xiaohua Meng

Vol.48 No.2 (March 2021)
Research Article View: 1,333 Download: 350

A Novel Acrylic Intercalated Hydrotalcite for the Removal of Heavy Metal Ions from Aqueous Solution: Isotherm, Kinetics, Thermodynamics and Mechanism
page: 1055 - 1067

Wei Zhao, Youning Chen and Yuhong Li

Vol.47 No.5 (September 2020)
Research Article View: 1,442 Download: 419

Hydrogen Sulfide Removal from Biogas Using Immobilized Sulfur Oxidizing Bacterium Paracoccus versutus CM1 in Biofilters
page: 872 - 886

Dolruedee Jirachaisakdeacha, Ladapa Kumdhitiahutsawakul, Patiroop Pholchan, Uthen Kantha, Wasu Pathom-aree and Sakunnee Bovonsombut

Vol.47 No.5 (September 2020)
Research Article View: 1,107 Download: 809

Batch Removal of Pb (II) from Aqueous Solution using Activated Carbon Prepared from Mangosteen Shell Activated with H2SO4
page: 554 - 566

Anitha Devasahayam, Ramadevi Abbai Ramanujam and Seetharaman Ramasamy

Vol.47 No.3 (May 2020)
Research Article View: 1,667 Download: 632

Catalytic Activity of Bimetallic Au@Pt Core-Shell Over CeO2-Al2O3 for CO Oxidation Reaction
page: 278 - 287

Wichet Lamai and Akkarat Wongkaew*

Vol.47 No.2 (Special Issue I : March 2020)
Research Article View: 1,806 Download: 930

Adsorption of 2,4-Dichlorophenoxyacetic acid by Magnesium Ferrite Magnetic Nanoparticles Modified with Amine Functional Groups
page: 137 - 146

Supawitch Hoijang, Jeeranan Nonkumwong, Burapol Singhana, Sunanta Wangkarn, Supon Ananta and Laongnuan Srisombat

Vol.47 No.1 (January 2020)
Research Article View: 1,563 Download: 484

Modified Mangosteen Shell in the Removal of Hg (II) from Aqueous Solution-Isotherm and Kinetic Studies
page: 127 - 136

Anitha Devasahayam, Ramadevi Abbai Ramanujam and Seetharaman Ramasamy

Vol.47 No.1 (January 2020)
Research Article View: 1,516 Download: 1,591

Factors Affecting Phytoplankton Removal by Electro-Oxidation of Artificial Seawater
page: 255 - 259

Niwooti Whangchai*, Nakao Nomura and Masatoshi Matsumura

Vol.30 No.3 (DECEMBER 2003)
Research Article View: 861 Download: 259

Decolorization of Methylene Blue Solution by Electrocoagulation Using Aluminum Electrodes
page: 2238 - 2243

Waraporn Pantorlao, Duangdao Channei, Wilawan Khanitchaidecha and Auppatham Nakaruk

Vol.45 No.5 (Special 2018)
Research Article View: 964 Download: 408

Prospective Sorption Evaluation of Hydrothermally Carbonized Lepironia Articulata (Grey sedge) for the Removal of Ni (II) from Aqueous Solution
page: 2220 - 2231

Asadullah, Lupong Kaewsichan and Kanogwan Tohdee

Vol.45 No.5 (Special 2018)
Research Article View: 1,499 Download: 603

Open Source Library-based 3D Face Point Cloud Generation
page: 1875 - 1887

Bulent Bayram, Taskin Ozkan, Hatice Catal Reis, Tolga Bakirman, Ibrahim Cetin and Dursun Zafer Seker

Vol.45 No.4 (July 2018)
Research Article View: 1,420 Download: 421

Achieving Adsorption of Cationic Dyes by the Composites Based on H3PMo12O40 Decorating Metal Organic Frameworks
page: 1486 - 1498

Wenpeng Gong, Xiaogang Du, Xiaoxia Liu, Xiaofen Ke and Shuijin Yang*

Vol.45 No.3 (May 2018)
Research Article View: 1,566 Download: 367

Adsorption of a Highly Toxic Aromatic Pollutant From Aqueous Solution Using Low Cost Activated Carbon: Equilibrium, Kinetic and Thermodynamic Aspects
page: 1471 - 1485

Muhammad Hamayun*, Sonia Sherazi, Shah Zareen, Abdul Naeem, Muhammad Saeed, Khizar Hussain Shah, Ataf Ali Altaf, Shahzad Murtaza and Muhammad Zubair

Vol.45 No.3 (May 2018)
Research Article View: 1,496 Download: 412

Concurrent Optimization of Decolorization, COD Removal, and Their Costs in Response to Photocatalytic Degradation Integrating Experimental Designs, Artificial Immune System, and Empirical Modeling
page: 1460 - 1470

Musa Buyukada*, Mirac Eryigit and Fatih Evrendilek

Vol.45 No.3 (May 2018)
Research Article View: 1,637 Download: 290

Preparation of Eco-friendly and Low-cost Activated Carbon from Gracilaria corticata Seaweeds for the Removal of Crystal Violet Dye from Aqueous Solution: Equilibrium and Modeling Studies
page: 1039 - 1051

Duraipandian Jayganesh, Rengasamy Tamilarasan*, Muthiyan Kumar, Mani Murugavelu and Vadivelu Sivakumar

Vol.45 No.2 (March 2018)
Research Article View: 1,501 Download: 334

Effect of Calcination Temperature on the Magnetic Characteristics of Synthetic Iron Oxide Magnetic Nanoparticles for Arsenic Adsorption
page: 528 - 539

Nucharee Chomchoey, Darunee Bhongsuwan and Tripob Bhongsuwan

Vol.45 No.1 (January 2018)
Research Article View: 1,371 Download: 373

Removal of Pb2+ Ion from Industrial Wastewater by New Efficient Biosorbents of Oyster Plant (Tradescantia spathacea Steam) and Negkassar Leaf (Mammea siamensis T. Anderson)
page: 369 - 379

Kannika Keawkim and Achjana Khamthip

Vol.45 No.1 (January 2018)
Research Article View: 894 Download: 357

Agrowaste Based Ecofriendly Bio-adsorbent for the Removal of Phenol: Adsorption and Kinetic Study by Acacia Tortilis Pod Shell
page: 355 - 368

Mohammad Malakootian, Amir Hossein Mahvi, Hossein Jafari Mansoorian and Narges Khanjani

Vol.45 No.1 (January 2018)
Research Article View: 1,485 Download: 411

Utilization of (Modified-) Ground Hazelnut Shells for Adsorption of Azo-metal Toxic Dyes: Empirical and ANFIS Modeling and Optimization
page: 342 - 354

Musa Buyukada, Sibel Uzuner and Fatih Evrendilek

Vol.45 No.1 (January 2018)
Research Article View: 970 Download: 249

Nitrogen Removal Efficiency of Salt-tolerant Heterotrophic Nitrifying Bacteria
page: 11 - 20

Sunipa Chankaew, Sompong O-Thong and Yutthapong Sangnoi

Vol.45 No.1 (January 2018)
Research Article View: 1,054 Download: 699

Effect of Cell Temperatures and Flow-Field Patterns of Bipolar Plate Electrodes on the Performance of Proton Exchange Membrane Fuel Cell by Computational Simulation
page: 1676 - 1685

Lirada Saraihom, Kridsanapan Srimongkon, Chesta Ruttanapun, Apishok Tangtrakarn,Narit Faibut, Pika

Vol.44 No.4 (October 2017)
Research Article View: 966 Download: 401

Laboratory-based Investigation into the Removal Behaviour of Asphalt in Porous Asphalt Mixture on Zinc Ions from Road Runoff
page: 1601 - 1610

Yao Zhao*, Chen Zhao, Kelly Hill and Xun Qian Xu

Vol.44 No.4 (October 2017)
Research Article View: 1,464 Download: 306

Removal of p-Nitrophenol from Aqueous Solution Using Synthesized Silica-Magnetite Composite
page: 1028 - 1039

Adekola F.A.*, Orimolade B.O.** and Adebayo G.B.

Vol.44 No.3 (July 2017)
Research Article View: 1,518 Download: 402

Design and Synthesis of Caffeic Amides by Structure-based Approaches
page: 617 - 629

Chawannuch Mudjupa [a,b], Sewan Theeramunkong [c], Opa Vajragupta* [a]

Vol.44 No.2 (April 2017)
Research Article View: 958 Download: 328

Polyaniline/wheat Husk Ash Nanocomposite Preparation and Modeling Its Removal Activity with an Artificial Neural Network
page: 533 - 543

Fatemeh Ghanbary* [a] and Ahmed Jafarian [b]

Vol.44 No.2 (April 2017)
Research Article View: 864 Download: 235

Evaluation of Treated and Untreated Sludge from Yarn Processing Factory as Adsorbent Candidates for Dye Removal
page: 508 - 517

Muhammad Abbas Ahmad Zaini* [a,b] and Noor Yuhana Jusoh [b]

Vol.44 No.2 (April 2017)
Research Article View: 1,442 Download: 261

Application of Radial Basis Function Neural Networks for Modeling Rainfall-Runoff Processes: A Case Study of Semenyih River catchment, Malaysia
page: 1358 - 1367

Nadeem Nawaz*[a,c], Sobri Harun [a], Rawshan Othman [b], Arien Heryansyah [a]

Vol.43 No.6 (SPECIAL ISSUE 2)
Research Article View: 841 Download: 514

Molecular Docking Study of Mycobacterium tuberculosis Dihydrofolate Reductase in Complex with 2,4-diaminopyrimidines Analogues
page: 931 - 945

Pimonluck Sittikornpaiboon [a], Pisanu Toochinda [a], Chawanee Thongpanchang [b], Ubolsree Leartsakulpanich [b] and Luckhana Lawtrakul* [a]

Vol.43 No.5 (OCTOBER 2016)
Research Article View: 915 Download: 370

Towards the Adsorption of Propylene and Propane on Cu(I)X and Cu(I)Y Zeolites: Effects of Zeolite Preparation
page: 591 - 599

Suwichak Phutthapatimok [a,b], Pattaraporn Sridechparsat [a,b], Pramoch Rangsunvigit* [a,b] and Santi Kulprathipanja [c]

Vol.43 No.3 (APRIL 2016)
Research Article View: 1,459 Download: 334

Validating Adsorptive Capacity of Areca Husk Carbon onto Methylene Blue & ANOVA Modelling
page: 183 - 194

Arumugam Basker[a]*, Syed shabudeen[b], Appavoo Ponnuraju Shekhar[c] and Savarimuthu Daniel[b]

Vol.43 No.1 (JANUARY 2016)
Research Article View: 1,456 Download: 280

Enhanced of High Level of b-xylosidase with b-xylanase Production by Co-culturing of Bacillus Strains from Rice Straw using Response Surface Methodology
page: 822 - 839

Chanaporn Trakunjae, Sukhumaporn Sukkhum and Vichien Kitpreechavanich

Vol.42 No.4 (OCTOBER 2015)
Research Article View: 926 Download: 266

Pt/Al2O3Catalyzed Decolorization of Rhodamine B Dye in Aqueous Medium
page: 730 - 744

Muhammad Saeed, Shahid Adeel, Muhammad Azhar Shahzad, Atta Ul-Haq, Majid Muneer, Muhammad Younas

Vol.42 No.3 (JULY 2015)
Research Article View: 1,437 Download: 293

Removal of Methylene Blue from Aqueous Solution by Coffee Residues
page: 407 - 416

Walaikorn Nitayaphat, Thanut Jintakosol, Kamontip Engkaseth and Yada Wanrakakit

Vol.42 No.2 (APRIL 2015)
Research Article View: 1,238 Download: 330

Enhanced Production of Polysaccharides and Protein Content in Cyanobacterium, Oscillatoria limnetica as a Defense Mechanism Against Low pH and Pb2+
page: 34 - 43

Suneerat Ruangsomboon*

Vol.42 No.1 (JANUARY 2015)
Research Article View: 1,371 Download: 300

β-Carotene Production by Sporobolomyces pararoseus TISTR5213 Using Crude Glycerol as the Sole Carbon Source
page: 17 - 33

Atchara Manowattana [a], Charin Techapun [b], Phisit Seesuriyachan [b], Prasert Hanmoungjai [b] and

Vol.42 No.1 (JANUARY 2015)
Research Article View: 970 Download: 239

Culturable Bacterial Community in a High Temperature EBPR Reactor
page: 970 - 980

Ying Hui Ong 1a, Adeline Seak May Chua 2a*, Geok Yuan Annie Tan3b, and Gek Cheng Ngoh 4a

Vol.41 No.5/1 (OCTOBER 2014)
Research Article View: 1,005 Download: 383

Synthesis and Use of Zeolite Na-A from Waste Sludge of Water Treatment Plant for Ammonium Removal
page: 1262 - 1273

Jeatana Wongwichien [a], Suwimol Asavapisit [a] and Kwannate Sombatsompop* [b]

Vol.41 No.5/2 (OCTOBER 2014)
Research Article View: 1,370 Download: 275

Energy Conversion Efficiency Improvement of ZnO Dye-sensitized Solar Cells by Dye Re-adsorption and N-P Junction Technique
page: 783 - 788

Surat Futemvong [a,b], Niyom Hongsith [b,d], Duangmanee Wongratanaphisan [b,c], Atcharawon Gardchare

Vol.40 No.4 (OCTOBER 2013)
Research Article View: 1,500 Download: 326

Adsorption Equilibrium of Zinc Ions from Aqueous Solution by Using Modified Clinoptilolite
page: 56 - 62

Achanai Buasri, Phetcharat Yongbut, Nattawut Chaiyut and Kittiya Phattarasirichot

Vol.35 No.1 (JANUARY 2008)
Research Article View: 1,413 Download: 337

Use of Natural Clinoptilolite for the Removal of Lead (II) from Wastewater in Batch Experiment
page: 447 - 456

Achanai Buasri, Nattawut Chaiyut, Kittiya Phattarasirichot, Phetcharat Yongbut and Lalita Nammueng

Vol.35 No.3 (SEPTEMBER 2008)
Research Article View: 1,410 Download: 985

Smart Chemical Sensors Based on Ceramic Heterocontacts
page: 239 - 244

David Cann and Seymen Aygün

Vol.32 No.3 (SEPTEMBER 2005)
Research Article View: 1,359 Download: 271

Thermodynamics Study of Natural Indigo Adsorption on Silk Yarn
page: 363 - 367

Paisan Kongkachuichay, Aroonsiri Shitangkoon, and Sakowrath Hirunkitmonkon

Vol.37 No.2 (MAY 2010)
Short Communication View: 1,446 Download: 359

Effects of Inorganic and Organic Phases on Specific Surface Area of Ball Clay
page: 141 - 154

Apinon Nuntiya*[a], Frank L. Riley [b] and Brian Rand [b]

Vol.29 No.3 (DECEMBER 2002)
Research Article View: 1,459 Download: 263

Multi-Tier Propagation Delay and Blocking Reduction Strategies for Output-Buffers in Integrated Service Networks
page: 131 - 139

Shamala Subramaniam, Mohd Y.M. Saman, Mohamed Othman and Rozita Johari

Vol.28 No.2 (DECEMBER 2001)
Opinion View: 894 Download: 247