Textbooks Evaluation 30 Study and teaching (Secondary) 29 Malay language 15 Readability 14 Science 14 English language 13 Educational counseling 11 Study and teaching (Primary) 11 Publishing 9 Probabilities 7 Study and teaching 7 Arabic language 6 Attitudes 6 Biotechnology 5 Publishers and publishing 5 Reading comprehension 5 Chinese language 4 Islam 4 Teachers 4 Curricula 3 Education 3 Government policy 3 History 3 Islamic religious education 3 Mathematics 3 Reading 3 Reading (Secondary) 3 Textbooks for foreign speakers 3 Ability testing 2