AU  - Parasar,Nikhil .
TI  - Children gyan-bigyan encyclopaedia : manab utpatti ebang bikash / 
SN  - 8188531154
U1  - 891.43 
PY  - 2012///
CY  - Delhi
PB  - Satluz Prakashan , 
KW  - Hindi miscellaneous
ER  -