TY  - BOOK
AU  - Gupta, Ranjana
AU  -  Gupta, Manjul
TI  - Essentials of environmental science / 
SN  - 9788184117059
U1  - 363.7 
PY  - 2024///
CY  - New Delhi : 
PB  - Sonali Publications
KW  - Environmental science
ER  -