TY  - BOOK
AU  - Sharma,Shashi Prabha
TI  - Tourism and environment : : concepts, principles and approaches 
SN  - 9788173918476
U1  - 338.4791 
PY  - 2006///
CY  - New Delhi
PB  - Kanishka Publishers
KW  - Ecotourism
KW  - Tourism
ER  -