English language -- 49 Study and teaching 37 Language and languages -- 34 Study and teaching -- 20 Textbooks for foreign speakers 17 English language 8 Grammar 8 Management 8 Language teachers -- 7 Second language acquisition 7 Training of 7 History 5 Management -- 5 Problems, exercises, etc 5 Grammar -- 4 Pronunciation 4 Reading 4 Rent (Economic theory) 4 Vocabulary 4 Aids and devices 3 Arabic language -- 3 Economic conditions 3 Economic development -- 3 Economic policy 3 Effective reading skills 3 English teachers -- 3 English usage -- 3 Examinations 3 International economic relations 3 Listening -- 3