共 79 条
[3]
Barbier EB, 1997, EC VALUATION WETLAND
[4]
Benitez S, 2001, NATURE CONSERVANCY T, P1
[6]
Bennett J., 1996, Tourism Economics, V2, P303
[8]
Boyes K, 2016, THESIS
[9]
Brau R., 2006, SSRN ELECT J, P1
[10]
Brown ThomasC., 2003, PRIMER NONMARKET VAL, P99, DOI DOI 10.1007/978-94-007-0826-6_4