Kunhikannan Nair, A. (2008). Economic and environmental impact of eco tourism: A study of Kerala (PhD Thesis). Kannur University.
シカゴスタイル引用形Kunhikannan Nair, A.C. Economic and Environmental Impact of Eco Tourism: A Study of Kerala (PhD Thesis). Kannur University, 2008.
MLA引用形式Kunhikannan Nair, A.C. Economic and Environmental Impact of Eco Tourism: A Study of Kerala (PhD Thesis). Kannur University, 2008.
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