Language and languages 131 Study and teaching 100 English language 53 Dissertations 34 Dissertations, Academic 33 Second language acquisition 27 Foreign speakers 24 Study and teaching (Higher) 20 Study and teaching (Secondary) 20 Computer-assisted instruction 14 Error analysis 11 Arabic language 10 Errors of usage 10 Chinese language 6 Language acquisition 6 Malay language 6 Vocabulary 6 Communicative competence 5 Computer-assisted instruction for foreign speakers 5 Grammar 5 Language 5 Learning, Psychology of 5 Study and teaching Error analysis 5 Computer network resources 4 Data processing 4 Psychological aspects 4 Study and teaching (Primary) 4 Technological innovations 4 Ability testing 3 Applied linguistics 3