Drugs 108 Juvenile literature 92 Drug abuse 80 Islamic stories, Malay 63 History 47 Islam 47 Koran stories, Malay 47 Biography 42 Law and legislation 34 Thesis 32 Drug traffic 30 Handbooks, manuals, etc 28 Prevention 26 Malay fiction 25 Treatment 25 Teachers 24 Education 23 Religious aspects 22 Pharmacology 21 Management 19 Politics and government 19 Malay language 18 Nursing 18 Study and teaching 18 Dissertations, Academic 17 Fiction 17 Psychotropic drugs 15 Terrorism 15 Children's stories, Malay 14 Rehabilitation 14