TY  - BOOK
AU  - Sen,Sanjay
TI  - History of science and technology in India
SN  - 9788186860441
U1  - 954 
PY  - 2010///
CY  - Assam 
PB  - N. L. Pub.
KW  - History
KW  - India
N1  - Include bibliography
ER  -