TY  - BOOK
AU  - Sharma, Yogendra K.
TI  - Teaching of physical science: methods and techniques 
SN  - 8173916063
U1  - 500.2 23
PY  - 2003///
CY  - New Delhi
PB  - Kanishka Publishers, 
KW  - Science
N1  - Includes index
ER  -