Islam 40 Biography 15 Religious aspects 15 History 14 Management 9 Dictionaries 7 Malay fiction 7 Customs and practices 6 Islamic stories, Malay 6 Politics and government 6 Religious life 6 Self-actualization (Psychology) 6 Airplanes 5 Leadership 5 Prayer 5 Recipes 5 Success 5 Design and construction 4 English language 4 Handbooks, manuals, etc 4 Malaysia 4 Medicine 4 Muhammad, Prophet 4 Personnel management 4 Public administration 4 Success in business 4 Achievement motivation 3 Aerodynamics 3 Armed Forces 3 Armies 3