TY  - BOOK
AU  - Batra, Sanjay Kumar
AU  - Batra, Kanchan
TI  - Environmental studies
SN  - 978-93-5071-990-9
U1  - 344.54046 
PY  - 2016///
CY  - New Delhi
PB  - Taxmann Publications Pvt. Ltd.
ER  -