TY  - BOOK
AU  - Patra,Sudhangshu
TI  - Vigyancharchya prachin bharat o samakalin onanya desh / 
U1  - 500.954 
PY  - 2004///
CY  - Kolkata : 
PB  - Banishilpa , 
KW  - SCIENCE,CULTURE
N1  - NULL
ER  -