The Economic Value and Regional Economic Impact of National Parks
1996 ◽
Vol 3
(4)
◽
pp. 229-239
◽
Keyword(s):
2008 ◽
Vol 17
(1)
◽
pp. 134-142
◽
Keyword(s):
1986 ◽
Vol 13
(3)
◽
pp. 349-366
◽
Keyword(s):
Keyword(s):