TY  - BOOK
ED  - National Seminar of Science Conslants and  National Institute of Basic Education
ED  - India.
TI  - Seminar
U1  - 372.3 
PY  - 1963///
CY  - Delhi
PB  - The Authority
KW  - Education, Elementary
KW  - India
KW  - Conference proceedings
KW  - New Delhi
KW  - Science and state
ER  -