共 29 条
[1]
[Anonymous], 2004, ENV IMPACTS ECOTOURI
[6]
Bruner A., 2003, How much will effective protected area systems cost?
[7]
Buckley R., 2004, Journal of Sustainable Tourism, V12, P70, DOI 10.1080/09669580408667225
[8]
Buckley R, 1999, ANN TOURISM RES, V26, P705, DOI 10.1016/S0160-7383(99)00011-0
[9]
Buckley R., 2008, Ecotourism: principles and practices, DOI 10.1079/9781845934576.0000
[10]
Buckley Ralf, 2008, Biodiversity (Ottawa), V9, P71