TY  - BOOK
AU  - PAL, AJAY
TI  - PARIBESHBIDYA (BENG) / 
SN  - 8187134453
U1  - 363.7 
PY  - 2000///
CY  - KOLIKATA
PB  - BOOKS AND ALLAYED PVT LTD
KW  - ENVIRONMENTAL SCIENCE
N1  - DONATED BY PRINCIPAL DR. SUBRATA MANDAL
ER  -