search query: @freeterm national parks / total: 4
references: 2-4 / 4
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title | year | author | ||
2. |
Journal of Environmental Management
2009 : MAR, VOL. 90:3, p. 1404-1412 |
2009 | Hanley, N. (et al.) |
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3. |
Environmental and Resource Economics
2003 : OCT, VOL. 26:2, p. 199-210 |
2003 | Leon, C. J. Vazquez-Polo, F. J. Leon Gonzalez, R. |
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4. |
International Journal of Tourism Research
2001 : SEP-OCT, VOL. 3:5, p. 377-391 |
2001 | Goodwin, H. Roe, D. |
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