TY  - BOOK
AU  - Chatwal, Gurdeep R.
AU  - Sharma, Harish
TI  - Text Book of Environmental Studies
SN  - 8183180604
U1  - 363.7 
PY  - 2005///
CY  - Mumbai
PB  - Himalaya Publishing House
KW  - Social sciences
KW  - Social problems and services
KW  - Environmental Sciences
ER  -