TY  - BOOK
AU  - Nath, Mahendra .
TI  - Universe of knowledge and development of subjects / 
SN  - 81-7132-152-6
U1  - 1v 
PY  - 2003///
CY  - Jaipur : 
PB  - Pointer Publishers , 
KW  - Scientific mode of thinking
ER  -