共 48 条
[1]
[Anonymous], HOL FOOTPR PRACT TOO
[2]
[Anonymous], 1999, AVIATION GLOBAL ATMO
[3]
[Anonymous], 2003, Case Studies in Ecotourism
[4]
[Anonymous], SUST DEV EC COMP GOO
[5]
Becken S., 2002, Journal of Sustainable Tourism, V10, P114, DOI 10.1080/09669580208667157
[6]
Bell S., 2003, Measuring Sustainability
[7]
Buckley R., 2003, Journal of Ecotourism, V2, P76, DOI 10.1080/14724040308668135
[8]
Cater E., 1994, ECOTOURISM SUSTAINAB
[9]
Chambers N., 2000, Sharing Nature's Interest: Ecological footprints as an indicator of sustainability, DOI DOI 10.1016/j.agrformet.2014.01.004
[10]
Chambers N., 2004, SCOTLANDS FOOTPRINT