By Hailu Atakelty   Gao Lei   in Tourism Economics

ISSN:1354-8166|18|1|243-251

IP Publishing Ltd‎(2012)‎

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By Hailu Atakelty   Veeman Terrence S   in Canadian Journal of Forest Research

ISSN:1208-6037|33|9|1653-1660

NRC Research Press‎(2003)‎

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