Nature-oriented tourism in Costa Rica and Ecuador : diagnosis of research needs and project opportunities
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書誌事項
Nature-oriented tourism in Costa Rica and Ecuador : diagnosis of research needs and project opportunities
U.S. Dept. of Commerce, National Technical Information Service (NTIS), [1987]
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注記
Reprint. Originally published: Research Triangle Park, N.C. : Southeastern Center for Forest Economics Research, 1987. (FPEI working paper series ; no. 6)
"PB89-161111"