Case studies 668 Research 335 Study and teaching 199 Economic aspects 158 English language 155 Oil palm 155 Rice 155 more ... Mathematical models 143 Environmental aspects 127 Analysis 118 Management 102 Social aspects 91 Diseases and pests 88 Cancer 83 Islam 82 Diseases 80 Food 77 Religious aspects 71 Growth 68 Malay language 68 Psychological aspects 64 Foreign speakers 63 Soils 63 Banks and banking 61 Economic development 61 Education 61 Agriculture 59 Medicinal plants 59 Palm oil 59 Finance 58 less ...