TY  - BOOK
AU  - Das,Chandansuravi
AU  - Pramanik, Tapas Kumar
TI  - Paribash bhugol :theory o practical
SN  -  978-81-938234-3-9
U1  - 910.363 
PY  - 2020///
CY  - Kolkata
PB  - Enova Publications
KW  - GEOGRAPHY
KW  - ENVIRONMENTAL
ER  -