TY  - BOOK
AU  - Reddy,Maruthesa
TI  - Textbook of environmental studies
U1  - 363.7 R246T 
PY  - 2016///
CY  - New Delhi
PB  - Scientific International
N1  - 2785 21/07/2017 RBP17/66708 27/07/2017 Main Budget
ER  -