TY  - BOOK
AU  - Trivedi, Priya Ranjan.
TI  - Paryavaran Vigyan / 
SN  - 9788171391493
U1  - 333.7 
PY  - 2020///
CY  - .- New Delhi
PB  - : Jnanada Prakashan
KW  - Social Sciences
KW  - Social Problems and Services
KW  - Environmental Science
ER  -