TY  - BOOK
AU  - Ediger,  Marlow. Bhaskara Rao, Digumarti.
TI  - Teaching science successfully
SN  - 8171416004
U1  - 372.35  EDI;1  R 
PY  - 2001///
CY  - New Delhi
PB  - Discovery Publishing House
KW  - successfully
ER  -