APA

Roll No. 169, University of Delhi. Faculty of Education. Department of Education & University of Delhi. Faculty of Education. Department of Education. (1976). Investigation into the difficulties experienced by the students of class X of Delhi in conducting practicals in Physics laboratory and to suggest ways and means to love their problems. : .

Chicago

Roll No. 169, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. 1976. Investigation into the difficulties experienced by the students of class X of Delhi in conducting practicals in Physics laboratory and to suggest ways and means to love their problems. : .

Harvard

Roll No. 169, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. (1976). Investigation into the difficulties experienced by the students of class X of Delhi in conducting practicals in Physics laboratory and to suggest ways and means to love their problems. : .

MLA

Roll No. 169, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. Investigation into the difficulties experienced by the students of class X of Delhi in conducting practicals in Physics laboratory and to suggest ways and means to love their problems. : . 1976.