TY  - BOOK
AU  - Bhola Vidya
AU  -  Shri D. S. Nigam Gu.
AU  - University of Delhi. Faculty of Education. Department of Education
ED  - University of Delhi. Faculty of Education. Department of Education
TI  - Formulation of criteria for the writing and selection of textbooks in General Science of the Middle school standard and evaluation of a few General Science textbooks of Delhi and Punjab states for the middle standard
PY  - 1955///
KW  - EDUCATION
ER  -