TY  - GEN
AU  - Choudhury, Makhan Chandra
AU  - Giri, Sumit
AU  - Santra, Dulal Chandra
TI  - Snatak paribesh siksha ( AECC) : Hons. & General
SN  -  978-93-86911-59-9
U1  - 363.7 
PY  - 2019///
CY  - Kolkata
PB  - Santra Publication
KW  - ENVIRONMENTAL SCIENCE
ER  -