TY  - BOOK
AU  - Das, R.C.
TI  - Scienece teaching in schools
SN  - 8120700406
U1  - GSL 371.102 D26 2004 
PY  - 2004///
CY  - New Delhi
PB  - STERLING PUBLISHERS PRIVATE LIMITED.
KW  - Science study and teaching
N1  - Includes bibliographical indexes and appendices
ER  -