APA

Roll No. 1133, University of Delhi. Faculty of Education. Department of Education & University of Delhi. Faculty of Education. Department of Education. (1977). Study of the problems of IX th class mathematics teachers and students and suggestions there by in the 10+2 system of educatin. : .

Chicago

Roll No. 1133, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. 1977. Study of the problems of IX th class mathematics teachers and students and suggestions there by in the 10+2 system of educatin. : .

Harvard

Roll No. 1133, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. (1977). Study of the problems of IX th class mathematics teachers and students and suggestions there by in the 10+2 system of educatin. : .

MLA

Roll No. 1133, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. Study of the problems of IX th class mathematics teachers and students and suggestions there by in the 10+2 system of educatin. : . 1977.