APA

Gupta Nirmal, University of Delhi. Faculty of Education. Department of Education & University of Delhi. Faculty of Education. Department of Education. (1975). Study of some variables related to students, teachers and instructional material having their bearing on learing outcomes in biology. : .

Chicago

Gupta Nirmal, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. 1975. Study of some variables related to students, teachers and instructional material having their bearing on learing outcomes in biology. : .

Harvard

Gupta Nirmal, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. (1975). Study of some variables related to students, teachers and instructional material having their bearing on learing outcomes in biology. : .

MLA

Gupta Nirmal, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. Study of some variables related to students, teachers and instructional material having their bearing on learing outcomes in biology. : . 1975.