TY  - BOOK
AU  - Fennell, David A.
TI  - Ecotourism
SN  - 9780415829656
U1  - 338.4791 
PY  - 2015///
CY  - Oxon
PB  - Routledge/Taylor and Francis
KW  - PL
N1  - 1.The essence of ecotourism--
2.Core criteria used to define ecotourism--
3.Topics and issues important to ecotourism
ER  -