共 24 条
[2]
BAUMOL WJ, 1970, AM ECON REV, V60, P265
[3]
Beal D., 1996, Review of Marketing and Agricultural Economics, V64, P177
[4]
BERMUDEZ F, 1996, PROPUESTA VARIABLES
[5]
BERMUDEZ F, 2001, COMMUNICATION
[6]
Ceballos-Lascurain H, 1996, TOURISM ECOTOURISM P
[8]
DIXON JA, 1991, AMBIO, V20, P68
[9]
EAGLES PFJ, 2002, 8 UICN
[10]
FELDSTEIN MS, 1972, AM ECON REV, V62, P32