TY  - BOOK
AU  - Ravishankar Kumar Singh 
TI  - Ecotourism and sustainable development
SN  - 9788188683062
U1  - 338.4791 
PY  - 2003///
CY  - Delhi 
PB  - Abhijeet Publications 
KW  - Ecotourism
KW  - Sustainable development
N1  - Includes references
ER  -