Study and teaching English language 61 Foreign speakers 25 Education 23 Problems, exercises, etc 22 Training of 17 Islam 16 Leadership 16 Textbooks for foreign speakers 15 Teaching 13 Language and languages 10 Grammar 9 Malay language 9 Thesis 8 Evaluation 7 Executives 7 History 7 Koran 7 Mathematics 7 Psychological aspects 7 Customs and practices 6 Science 6 Thought and thinking 6 Doctrines 5 Handbooks, manuals, etc 5 Management 5 Philosophy 5 Reading 5 Activity programs 4 Creative thinking 4