Dissertations, Academic (Ph.D) 125 Thesis (Ph.D)-Education 123 Pedagogical algebra-- Mathematics 26 Dissertations, Academic(Ph.D) 15 Thesis(Ph.D)-Education 15 Education 11 Education, Secondary 11 Study and teaching 11 Dissertations, Academic (Ph.D.) 9 Teaching 9 Multimedia systems in education 8 Dissertation, academic (Ph.D.) 7 Kerala 7 Mathematics-Study and teaching (Secondary) 6 Thesis (Ph.D.) Education 6 Dissertation, Academic (Ph.D) 5 Learning 5 Public relations 5 Special education 5 Student teachers 5 Thesis(Ph.D)- Education 5 Academic achievement 4 Aids and devices 4 Biology 4 Educational sociology 4 English language 4 Environmental education 4 Gifted children 4 Instructional systems 4 Philosophy 4