Items where Year is 1991

Ab. Rashid, Zakariah (1991) Costs of production and labour productivity: 1978 and 1983 Malaysian vintage technology. Jurnal Ekonomi Malaysia, 23. pp. 73-90. ISSN 0126-1962

Abdul Rahim, Khalid (1991) Environmental regulation: the welfare cost of BOD limitations in the palm oil industry. Jurnal Ekonomi Malaysia, 24. pp. 17-38. ISSN 0126-1962

Abdullah, Norhani and Ho, Yin Wan and Mahyuddin, M. and Jalaludin, S. (1991) Studies in fibre digestion and passage rate of liquid and solid in cattle and buffaloes. Asian-Australasian Journal of Animal Sciences, 4 (2). pp. 137-141. ISSN 1011-2367; ESSN: 1976-5517

Alam, Md. Jahangir and Cheah, Sin Hock and Ang, Kok Jee (1991) Possible use of Moina spp. as a live feed substitute in larval rearing of the freshwater prawn, Macrobrachium rosenbergii (de Man). Aquaculture and Fisheries Management, 22 (4). pp. 531-535. ISSN 1355-557X

Ali, Asbi and Lamb, J (1991) Changes in Moisture Content of Corn Starch during Pneumatic Conveying. Pertanika, 14 (3). pp. 237-241.

Baharumshah, Ahmad Zubaidi (1991) Specification issues and the estimation of supply equation for rice in Malaysia. Jurnal Ekonomi Malaysia, 24. pp. 3-16. ISSN 0126-1962

Basri, Shah Nor (1991) A Subroutine Package for Solving Hydrodynamic Lubrication Problems. Pertanika, 14 (3). pp. 359-371.

Chew, Tek Ann (1991) Share contracts in Malaysian rubber smallholdings. Land Economics, 67 (1). pp. 85-98. ISSN 0023-7639; ESSN: 1543-8325

Fasihuddin, and Shanty V., B. A. and Mohd Sharif, Atan (1991) Phaeanthine and Limacine from Phaeanthus crassipetalus Becc. Pertanika, 14 (3). pp. 355-358.

Habib, M.Ahsan and Alam, M.Jahangir and Rahman Khan, L and Begum, Momtaz (1991) Ground Water-Bottom Soil-Water Interactions in Tropical Carp Nursery Ponds. Pertanika, 14 (3). pp. 287-291.

Harikrishna, K. and Paul, E. and Darby, R. and Draper, J. (1991) Wound response in mechanically isolated asparagus mesophyll cells: a model monocotyledon system. Journal of Experimental Botany, 42 (239). pp. 791-799. ISSN 0022-0957; ESSN: 1460-2431

Jusoff, Kamaruzaman (1991) Effect of tracked and rubber-tyred logging machines on soil physical properties of the Berkelah Forest Reserve, Malaysia. Pertanika, 14 (3). pp. 265-276. ISSN 0126-6128

Jusop, Shamsuddin and A. Auxtero, Edgardo (1991) Laboratory Studies on the Release of Cations and Anions in Acid Sulfate Soils from Pulau Lumut,Selangor. Pertanika, 14 (3). pp. 257-264.

Kamsah, Mohd Fadzilah (1991) Membudayakan kecemerlangan dalam penyampaian khutbah: satu kajian kes di Negeri Pahang Darul Makmur. Jurnal Komunikasi, 7. pp. 37-46. ISSN 2289-151X; ESSN: 2289-1528

Koeniger, G. and Koeniger, N. and Mardan, Makhdzir and Otis, G. and Wongsiri, S. (1991) Comparative anatomy of male genital organs in the genus Apis. Apidologie, 22. pp. 539-552. ISSN 1297-9678

Koh, Hoy Lye and Lim, Poh Eng (1991) Computing Dispersion Coefficient of Model Waste Stabilization Ponds. Pertanika, 14 (3). pp. 311-316.

Lajis, Md Nordin and Samadi, Zainuddin and Ismail, Norhayati (1991) Dicentrine: The Major Alkaloid of Cyclea laxiflara Miers. Pertanika, 14 (3). pp. 353-354.

Low, Kun She and Lee, Chnoong Kheng (1991) Cadmium uptake by the moss, Calymperes delessertii, Besch. Bioresource Technology, 38 (1). pp. 1-6. ISSN 0960-8524; ESSN: 1873-2976

Md Khairuddin, Narimah (1991) Productivity of Homogeneous and Heterogeneous Oat Populations at Two Sowing Dates. Pertanika, 14 (3). pp. 229-236.

Mohamad, Shamsher and Md Nassir, Annuar (1991) Returns to Bidding and Target Finns in Hostile Takeovers: Some UK Evidence. Pertanika, 14 (3). pp. 373-381.

Mohamed, Zainal Abidin and Baharumshah, Ahmad Zubaidi (1991) A MOTAD Approach to Risk Management Strategies for Vegetable Producers in Malaysia. Pertanika, 14 (3). pp. 393-400.

Mohd Nor, Rehan (1991) Masalah Pelajar dalam Menamakan Sebatian-Sebatian Organik Berpolifungsi. Pertanika, 14 (3). pp. 323-329.

N. A. B. Y., Cheng and K. M., Tham (1991) Spontaneous autologous erythrocyte-rosette formation of lymphocytes from cerebrospinal fluid of a dog with canine distemper. Jurnal Veterinar Malaysia, 3 (1). pp. 1-6.

Niyaz Khan, Mohammad (1991) A Simple Approach to Ascertain the Magnitudes of the Coefficients of 2 p-Atomic Orbitals in Each 1t-Electron Molecular Orbital of the Linear Polyenes or Polyenyl Systems. Pertanika, 14 (3). pp. 317-321.

Othman, Mohd Shahwahid and Abdullah, Maisom and Judi, Saroni (1991) A market share model of the Malaysian sawntimber and plywood exports. Jurnal Ekonomi Malaysia, 24. pp. 39-50. ISSN 0126-1962

Radin Sohadi, Radin Umar and Midi, Habsah and Ja'afar, Mohd Salleh (1991) The Distribution of Service Time at Bangi, Kajang, Sungai Besi and Universiti Pertanian Malaysia Closed System Toll Plazas. Pertanika, 14 (3). pp. 301-309.

Rahmat Ali, Gulam Rusul and Ibrahim, Aziah and Abu Bakar, Fatimah (1991) Prevalence of Listeria monocytogenes in Retail Beef and Poultry. Pertanika, 14 (3). pp. 249-255.

Rahmat Ali, Gulam Rusul and Mohd Dahan, Mohamed Mahyuddin and Dollah, Mustafa (1991) A survey of microbiological quality of fish sold in two local wet markets. Pertanika, 14 (3). pp. 243-247.

Sabri, Jasni and Saad, Mohd Zamri and Mutalib, Abdul Rahim and Abdul Rahman, Sheikh Omar (1991) Isolation of Pasteurella haemolytica from the nasal cavity of goats. British Veterinary Journal, 147 (4). pp. 352-355. ISSN 0007-1935

Sahimi, Mohamad Salleh and J.Evans, David (1991) The GroJp Explicit Methods for Parabolic Problems with Cylindrical and Spherical Symmetry. Pertanika, 14 (3). pp. 331-346.

Tsai, Lim Meng (1991) Biomass Production and Biomass Relationship of Young Callicarpa pentandra. Pertanika, 14 (3). pp. 281-285.

Y., Umikalsum and J. B., Harborne (1991) Flavonoid Distribution in Asplenioid Ferns. Pertanika, 14 (3). pp. 297-300.

Yahaya, Nurizan (1991) A profile of the urban poor in Malaysia. Journal of Contemporary Asia, 21 (2). pp. 212-222. ISSN 0047-2336; eISSN: 1752-7554

Yassin, Zaitun and Terry, Rhonda Dale (1991) Anthropometric characteristics of rural elderly females in Malaysia. Ecology of Food and Nutrition, 26 (2). pp. 109-117. ISSN 0367-0244; ESSN: 1543-5237

Abdul Kadir, Mohammad Razali and Che Muda, Zakaria and Abang Ali, Abang Abdullah (1991) Flexural behavior of composite beam with ferrocement permanent formwork. In: Seminar Kebangsaan Menilai Pencapaian Penyelidikan IRPA Dalam Rancangan Malaysia ke-5 Sektor Perindustrian, 20-24 Dis. 1991, Universiti Utara Malaysia, Kedah. (pp. 1-11).

Abdul Karim, Mohamed Ismail and Ghani, Baharuddin and Ariff, Arbakariya and Abdul Samah, Othman and Selamat, Jinap and Rusul, Gulam and Baharin, Badlishah Sham and Lee, Kong Hung (1991) Utilization of agricultural raw materials by fermentation technology for the production of foods, value added products and for the treatment of the agricultural wastes. In: Seminar Kebangsaan Menilai Pencapaian Penyelidikan IRPA Dalam Rancangan Malaysia ke-5 Sektor Perindustrian, 20-24 Dis. 1991, Universiti Utara Malaysia, Kedah. (pp. 1-8).

Awang Yusof, Kamariah Elli and Hashim, Aziah and Ahmad, Hamidah and Abdul Razak, Abdul Rahman and Mohd Salleh, Naimah (1991) Potensi gentian pisang sebagai sumber tekstil. In: Seminar Kebangsaan Menilai Pencapaian Penyelidikan IRPA Dalam Rancangan Malaysia ke-5 Sektor Perindustrian, 20-24 Dis. 1991, Universiti Utara Malaysia, Kedah. .

Hassan, Salleh and Ismail, Narimah (1991) The use of TV and radio entertainment for development communication : the Malaysian experience. In: Seminar on Using Entertainment and Advertising for Development Communication, 21-24 Jan. 1991, Singapore. .

Ibrahim, Abdul Latiff and Ideris, Aini and Babjee, Ahmad Mustafa (1991) An overview of the use of food-based Newcastle disease vaccine in Malaysia. In: International workshop: Newcastle Disease in Village Chickens Control with Thermostable Oral Vaccines, 6-10 Oct. 1991, Kuala Lumpur. (pp. 75-78).

Ismail, Mohd Razi (1991) Effect of water availability on the growth and physiological process of durian (Durian zibethinus). In: Prosiding Simposium Buah-Buahan Kebangsaan 1991, 24-26 Sep. 1991, Genting Highland, Pahang. (pp. 389-391).

Ismail, Mohd Razi (1991) Plant microclimatic changes under rainshelter cultivation. In: International Seminar on Cultivation Under Simple (Plastic/Greenhouse) Constructions in the Tropics and Subtropics, 5-6 Nov. 1991, Taiwan Agricultural Research Institute Wufeng, Taichung, Taiwan. (pp. 1-15).

Ismail, Mohd Razi and Raja Harun, Raja Muhammad (1991) Hydroponic cultivation of crops for the rural community. In: Third Asian Coference on Technology for Rural Development 1991, 12-14 Aug. 1991, Kuala Lumpur, Malaysia. (pp. 73-78).

Konting, Mohd Majid (1991) Guru dan peperiksaan : sikap guru terhadap pengajian dan penilaian. In: Konvensyen Nasional PERPEMA Ke-7, 31 Jan - 2 Feb 1991, Pusat Pengembangan dan Pendidikan Malaysia. .

M. Yamin, Bohari and Jais, M. Jamil and Mohammad, Rosli (1991) Mencari formulasi pestisid organotimah berpolimer asli yang berkesan dan ekonomik secara lepasan terkawal atau perlahan. In: Seminar Kebangsaan Menilai Pencapaian Penyelidikan IRPA Dalam Rancangan Malaysia ke-5 Sektor Perindustrian, 20-24 Dis. 1991, Universiti Utara Malaysia, Kedah. .

Mohamed, Mohd. Ibrahim and Badaruddin, Zaharuddin (1991) The morphology and ecology of the reefs of Sabah (West Coast) and Sarawak. In: Regional Symposium on Living Resources in Coastal Areas, 30 Jan.-1 Feb. 1989, Manila, Philippines. .

Mohammed, Mohd. Ibrahim and Hussein, Nor Azman and Ibrahim, Md. Isa and Kuchler, Debbie A. (1991) Coastal resources mapping of Besut (Terengganu Coast) using microBRIAN digital mapping technology and Landsat MSS satellite data. In: Regional Symposium on Living Resources in Coastal Areas, 30 Jan.-1 Feb. 1989, Manila, Philippines. .

Muhammad, Badri and Badri, Karen and Hussein, Mohd Zobir and Zainal, Zulkarnain and W. Yunus, W. M. Daud and Ibrahim, Ramli (1991) Penyediaan dan pencirian karbon aktif. In: Seminar Kebangsaan Menilai Pencapaian Penyelidikan IRPA Dalam Rancangan Malaysia ke-5 Sektor Perindustrian, 20-24 Dis. 1991, Universiti Utara Malaysia, Kedah. .

Sahri, Mohd Hamimi and Nuruddin, Ahmad Ainuddin and Chee Ling, Lee (1991) Calorific value and the potential of some plantation species for energy production. In: Regional Symposium on Recent Development in Tree Plantation of Humid/Sub-Humid Tropics of Asia, 5 June 1989, Universiti Pertanian Malaysia, Serdang. (pp. 809-820).

Salleh, Abu Bakar and Abd. Razak, Che Nyonya and Wan Yunus, Wan Md. Zin and Ampon, Kamaruzaman and Basri, Mahiran (1991) Enzyme and microbial technology: biotechnology of fats and oils. In: Seminar Kebangsaan Menilai Pencapaian Penyelidikan IRPA Dalam Rancangan Malaysia ke-5 Sektor Perindustrian (20-24 Disember 1991) hosted in Universiti Utara Malaysia, Kedah, 20-24 Disember 1991, Universiti Utara Malaysia, Kedah. .

Su See, Lee (1991) An unusual ectomycorrhiza-like structure from shorea leprosula (dipterocarpaceae). In: Round-Table Conference on Dipterocarps, Fourth, 2-15 December 1989, Bogor, Indonesia. (pp. 141-145).

Taufik, and Mohamad Nordin, Abdul Karim and Che Man, Yaakob (1991) Storage stability study of ciku leather. In: 3rd Seminar on Advances in Food Research, 19-20 Nov. 1990, Universiti Pertanian Malaysia, Serdang, Selangor. (pp. 48-60).

Yarmo, Mohd Ambar and Alimuniar, Arisol and Abd. Ghani,, Rusli and Nik Yusoff, Nik Idris and Abd. Rahman, Mohd. Zaki (1991) Pengeksploitasian tindak balas metatesis olefin terhadap sumber semulajadi negara. In: Seminar Kebangsaan Menilai Pencapaian Penyelidikan IRPA Dalam Rancangan Malaysia ke-5 Sektor Perindustrian (20-24 Disember 1991) hosted in Universiti Utara Malaysia, Kedah, 20-24 Disember 1991, Universiti Utara Malaysia, Kedah. .

Universiti Pertanian Malaysia, (1991) Akhbar Mahasiswa. (Issue. 4).

Universiti Pertanian Malaysia, (1991) Akhbar Mahasiswa. (Issue. 1).

Universiti Pertanian Malaysia, (1991) Akhbar Mahasiswa. (Issue. 7).

Universiti Pertanian Malaysia, (1991) Akhbar Mahasiswa: Keluaran Khas Minggu Suaikenal.

Magsanoc, Lolinda M. (1991) Techno-Economic Assessment of the Furnace-Type Lumber Dryer Technology in the Philippines. [Project Paper Report]

Md. Tahir, Helmi (1991) Effect of High Frequency Heating Time on Glue Bond Quality in Laminated Rubberwood. [Project Paper Report]

Rachaneewan, Charoenwanying (1991) Water Pollution in Wood-Based Industries in Thailand: Case Study of a Hardboard Factory. [Project Paper Report]

Sutopo, Sry (1991) Gluing Performance of Mixed Hardwood Tabletop. [Project Paper Report]

Wan Sulaiman, Wan Maharuddin (1991) Kredibiliti Akhbar Tempatan: Satu Analisis Mengenai Isu Politik Semasa. [Project Paper Report]

Abd. Jalil, Mohd Noh (1991) Respons dan Adaptasi Anak Benih Koko (Theobroma Cacao) Terhadap Banjir. PhD thesis, Universiti Pertanian Malaysia.

Abdul Kadir, Midhzar (1991) In Vitro Selection In Wheat To Recover Mutants Which Overproduce Lysine And Threonine. Masters thesis, Universiti Pertanian Malaysia.

Abdul Rahim, Anuar (1991) Nitrogen Contribution by Groundnut (Arachis Hypogaea L.) in a Rotational Cropping System on an Ultisol. Masters thesis, Universiti Pertanian Malaysia.

Abu Hassan, Tambi (1991) Tahap Profesionalisme Pegawai Perkhidmatan Tadbir dan Diplomatik. Masters thesis, Universiti Pertanian Malaysia.

Alam, Md. Ferdous (1991) An Economic Analysis of the Production Behaviour of Fishing Firms in Selected Fisheries of Malaysia. PhD thesis, Universiti Pertanian Malaysia.

Alcala, Eugenio A. (1991) Studies on Seed Germination, Bud Activation And Early Budshoot Growrh of Hevea Brasiliensis (Muell. Arg.). PhD thesis, Universiti Pertanian Malaysia.

Arif, Md. Taufiqul (1991) Effects of the Irrigation Management Programme on Boro Rice Productivity and Agrarian Income Inequality In North-West Bangladesh. Masters thesis, Universiti Pertanian Malaysia.

Choo, Raymond Pow Yoon (1991) Antimicrobial Resistance Of Escherichia Coli Isolates In Pig Farm Workers, Normal And Diarrhoeic Pigs. Masters thesis, Universiti Pertanian Malaysia.

Chumponbunchorn, Kumlung (1991) The Epidemiology And Bacteriology Of Leptospiral Infection In Two Selected Cattle Farms In Peninsular Malaysia. Masters thesis, Universiti Pertanian Malaysia.

Diolo-Ontok, Medin (1991) Factors Related to the Performance of Malaysian Rubber Mini-Estates. PhD thesis, Universiti Pertanian Malaysia.

Hiew, Yee Hooi (1991) Towards the Development of a Protocol for Cryopreservation of Embryos of Rambutan (Nephelium Lappaceum L.). Masters thesis, Universiti Pertanian Malaysia.

Hj. Idrus, Zulkifli (1991) The Effect Of Sex-Linked Dwarf (Dw), Naked Neck (Na) And Frizzle (F) Genes On Various Traits In Laying Hens Under Tropical Conditions. Masters thesis, Universiti Pertanian Malaysia.

Ho, Cheng Tuck (1991) The Importance of Mealybugs and Colony Compatibility in Augmentation of Dolichoderus Thoracicus (Smith) (Hymenoptera: Formicidae) Populations in Cocoa. Masters thesis, Universiti Pertanian Malaysia.

Ibrahim, Sakri (1991) Proper Construction And Set Up Of Malaysian Fish Aggregating Devices (Unjam). PhD thesis, Universiti Pertanian Malaysia.

Ibrahim, Zakaria (1991) Reproductive Biology of Acacia Mangium Willd. and Acacia Auriculiformis A. Cunn. Ex. Benth. PhD thesis, Universiti Pertanian Malaysia.

Israf Ali, Daud Ahmad (1991) Gastrointestinal Parasitism In Goats - Bionomics Of The Suprapopulation And Incidence In Young Goats. Masters thesis, Universiti Pertanian Malaysia.

Jamaludin, Fathaiya (1991) The Hypoglycaemic and Chemical Studies of Parkia Speciosa, Hassk. Masters thesis, Universiti Pertanian Malaysia.

Kamaruddin, Rezuwan (1991) Application of Bamboo and Oil Palm Clinker in Lightweight Reinforced Concrete Beams. Masters thesis, Universiti Pertanian Malaysia.

Khin, Ma Ma Kyi (1991) Effects of Pretreatments on the Storage Characteristics of Fresh and Dried Guava (Psidium Guajava L). Masters thesis, Universiti Pertanian Malaysia.

Kusumawardhani, Amie (1991) Economics of Integrated Fish-Chicken Farming System (Longyam) in Tasikmalaya District, Indonesia. Masters thesis, Universiti Pertanian Malaysia.

Kwanming, Kulapa (1991) An Economic Analysis of the Cockle Culture Industry in Thailand. Masters thesis, Universiti Pertanian Malaysia.

Lee, Chong Nim (1991) Kepimpinan Instruksi dan Pencerapan Pengajaran di Sekolah-Sekolah Daerah Hulu Langat. Masters thesis, Universiti Pertanian Malaysia.

Lim, Jit Sai (1991) Soil-Landscape Relationships in Kedah - A Study in Soil Genesis and Classification. PhD thesis, Universiti Pertanian Malaysia.

Lim, Kelvin Eng Tian (1991) A Comparative Study on the Performance of Metroxylon Sagu and Metroxylon Rumphil Grown on Gleyed Mineral Soil and Organic Soil. Masters thesis, Universiti Pertanian Malaysia.

Mahmood, Zabedah (1991) The Effects of Plant Spacing and Pruning System on Plant Performance, Yield and Quality of Bananas 'Mas' (AA) and 'Berangan' (AAA). Masters thesis, Universiti Pertanian Malaysia.

Mat Tai, Abu Bakar (1991) Aspek Pengeluaran Udang Galah Macrobrachium Rosenbergii (De Man) Di Peringkat Semaian. Masters thesis, Universiti Pertanian Malaysia.

Md Nassir, Annuar (1991) The Efficient Market Hypothesis and the Thinly Traded Kuala Lumpur Stock Exchange: Tests with Appropriate Refinements. Masters thesis, Universiti Pertanian Malaysia.

Mohd Ali, Leela (1991) A Study of the Perceived Professional Needs of ESL Teacher Educators in Malaysian Teacher Training Colleges. Masters thesis, Universiti Pertanian Malaysia.

Mohmod, Abdul Latif (1991) Effects of Age and Height on Selected Properties of Three Malaysian Bamboo Species. Masters thesis, Universiti Pertanian Malaysia.

Othman, Noriah (1991) Some Physiological Studies on Ornamental Ipomora Batatas as a Groundcover Species. Masters thesis, Universiti Pertanian Malaysia.

Palacio, Isabelo Del Pilar (1991) Biology of Selected Opiine Parasitoids (Braconidae) and Their Abundance Relative to the Host Bactrocera Dorsalis (Hendel). on Carambola. PhD thesis, Universiti Pertanian Malaysia.

Pancras, Helen (1991) Field Evaluation of Ammonia Volatilisation Loss from Urea and its Control Using Urease Inhibitors and Soluble Salts. Masters thesis, Universiti Pertanian Malaysia.

Panja, Paichok (1991) A Study On The Effects Of High Energy Palm Oil Supplemented Diets On Broilers Growth Under Tropical Environment. PhD thesis, Universiti Pertanian Malaysia.

Reddy, Gillella Chinna (1991) Heterosis and Combining Ability Studies in Maize (Zea Mays L.). PhD thesis, Universiti Pertanian Malaysia.

Rosdi, Mat Lani (1991) An Economic Analysts of Malaysian Cocoa Prices: A Structural Approach. Masters thesis, Universiti Pertanian Malaysia.

S.Ramasamy, (1991) Some Aspects of Efficacy and Residues of Maneb and Mancozeb in Selected Vegetables. Masters thesis, Universiti Pertanian Malaysia.

Saimin, Sahbani (1991) Komitmen Peserta Terhadap Projek Pasar Tani di Negeri Selangor Darul Ehsan dan Wilayah Persekutuan. Masters thesis, Universiti Pertanian Malaysia.

Subade, Rodelio Fernandez (1991) Profitability and Economic Efficiency in Gillnet Fishing in Guimaras Strait and Adjacent Waters, Western Visayas, Philippines. Masters thesis, Universiti Pertanian Malaysia.

Susilowati, Indah (1991) Welfare Impact of Improved Boat Modernisation Schemes (IBMS) in Pemalang Regency, Central Java, Indonesia. Masters thesis, Universiti Pertanian Malaysia.

Tipanark, Peerapong (1991) Teaching Competency Needs of Vocational Agriculture Teachers as Perceived by Vocational Agriculture Teachers and Administrators in Thailand. PhD thesis, Universiti Pertanian Malaysia.

W. Yusoff, W. Mohamad Daud (1991) Electrical Transport and Related Dielectric Phenomena in Coconut-Shell Activated Carbon. PhD thesis, Universiti Pertanian Malaysia.

Wong, Lock Jam (1991) Genetic Studies of Stevioside Content and Other Agronomic Characters and Their Responses to Cloning in Stevia Rebaudiana Bert. PhD thesis, Universiti Pertanian Malaysia.

Yee, Ming Fatt (1991) Colletotrichum Disease of Cocoa (Theobroma Cacao L.) and its Control. Masters thesis, Universiti Pertanian Malaysia.

Yusuf, Abas (1991) Persepsi Pelajar Terhadap Peranan Guru Bimbingan dan Kaunseling di Sekolah Menengah Atas Negeri di Pontianak, Indonesia. Masters thesis, Universiti Pertanian Malaysia.