TY  - BOOK
AU  - Gupta, Naresh Kumar
TI  - Research in Teaching of Science : Models and Strategies
SN  - 81-7024-865-5
U1  - 507.2 
PY  - 1997///
CY  - New Delhi
PB  - Aph pub
KW  - Science
KW  - Research
ER  -