TY  - BOOK
AU  - Signh, Uttamkumar.
AU  - Nayak, A K.
TI  - Teaching of science
SN  - 817169408 X
U1  - 501 SIN 
PY  - 1997///
CY  - New Delhi
PB  - Common Wealth Publishers
KW  - Science education
KW  - Philosophy in education and science
N1  - Include index
ER  -