TY  - BOOK
AU  - Batra, Sanjay Kumar 
AU  - Batra, Kanchan , Batra Harpreet , 
TI  - Paryavaran vigyan
SN  - 9789357787963
U1  - 333.7 
PY  - 2023///
CY  - New Delhi 
PB  - Taxmann Publication Pvt. Ltd 
KW  - E.V.S./ Biology ( Environmental Science )
ER  -