TY  - BOOK
AU  - Sinha Shradha
AU  - Shukla Manisha
AU  - Shukla Ranjana
TI  - A textbook of Environmental Studies 
SN  - 9788174733023
AV  - GE70 SIN 
PY  - 2005///
CY  - New Delhi
PB  - AITBS Publishers 
KW  - Geography
N1  - Includes index
ER  -