TY  - BOOK
AU  - Roll No. 1133
AU  - University of Delhi. Faculty of Education. Department of Education
ED  - University of Delhi. Faculty of Education. Department of Education
TI  - Study of the problems of IX th class mathematics teachers and students and suggestions there by in the 10+2 system of educatin
PY  - 1977///
KW  - EDUCATION
ER  -