TY  - BOOK
AU  - Tiwari, Vijay Kumar.
TI  - Textbook of Environmental Studies
SN  - 9788184886405
U1  - 363.7 
PY  - 2011///
CY  - Mumbai
PB  - Himalaya Publishing House
KW  - Social Sciences
KW  - Social Problems and services
KW  - Environmental Sciences
ER  -