search query: @author Douglas, A. J. / total: 2
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1.
The travel cost method and the economic value of leisure time
International Journal of Tourism Research
2004 : SEP-OCT, VOL. 6:5, p. 365-374
 2004 Douglas, A. J.
Johnson, R. L.
2.
Estimating recreation employment effects with IMPLAN for the Glen Canyon Dam region
Journal of Environmental Management
1995 : JUL, VOL. 44:3, p. 233-248
 1995 Douglas, A. J.
Harpman, D. A.
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