TY  - BOOK
AU  - Singh, Priyanka
TI  - Environmental studies: For undergraduates
U1  - 363.7 S64E 
PY  - 2016///
CY  - New Delhi
PB  - DBH Publishers and Distributors
N1  - 4640 05/12/2022 IBC22/857 10/12/2022 Main Budget
ER  -