APA

Roll No. 28, University of Delhi. Faculty of Education. Department of Education & University of Delhi. Faculty of Education. Department of Education. (1970). Study of teaching role perception by physics teachers of higher sec. schools of the union territory of Delhi. : .

Chicago

Roll No. 28, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. 1970. Study of teaching role perception by physics teachers of higher sec. schools of the union territory of Delhi. : .

Harvard

Roll No. 28, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. (1970). Study of teaching role perception by physics teachers of higher sec. schools of the union territory of Delhi. : .

MLA

Roll No. 28, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. Study of teaching role perception by physics teachers of higher sec. schools of the union territory of Delhi. : . 1970.