Dissertations 66 Dissertations, Academic 64 Group work in education 60 English language 30 Ethnic Groups 22 Study and teaching (Secondary) 20 Study and teaching 19 Team learning approach in education 18 Peer-group tutoring of students 17 Group theory 16 Group counseling 14 Online chat groups 14 Case studies 12 Group decision making 12 Social aspects 12 Electronic discussion groups 11 Finite groups 11 Computer-assisted instruction 9 Small groups 9 Study and teaching (Higher) 9 Group identity 8 Mathematics 8 Writing 8 Attitudes 7 Combinatorial group theory 7 Decision support systems 7 Ethnic groups 7 Foreign speakers 7 Written English 7 Composition and exercises 6