APA

Roll No. 4, University of Delhi. Faculty of Education. Department of Education & University of Delhi. Faculty of Education. Department of Education. (1971). Investigation into the problems faced by the teachers in teaching geography in classes IX and X in the high schools of upper Assam. : .

Chicago

Roll No. 4, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. 1971. Investigation into the problems faced by the teachers in teaching geography in classes IX and X in the high schools of upper Assam. : .

Harvard

Roll No. 4, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. (1971). Investigation into the problems faced by the teachers in teaching geography in classes IX and X in the high schools of upper Assam. : .

MLA

Roll No. 4, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. Investigation into the problems faced by the teachers in teaching geography in classes IX and X in the high schools of upper Assam. : . 1971.