TY  - BOOK
AU  - Shivangi Somavanshi
AU  - Renu Dhupper
TI  - Fundamental of Environmental Studies 
SN  - 9789350143889
U1  - 301.3 SHI 
PY  - 2018///
CY  - New Delhi
PB  - S K Kataria and Sons
KW  - Environmental Studies
ER  -