Chiranut Sopha และ Ken Taylor. (2009) Ban Khmer and Ban Yuan Villages : a model for ethnic community for tourism development as a secondary attraction in Bangkok. Silpakorn University,:ม.ป.ท.Chiranut Sopha และ Ken Taylor. 2009. Ban Khmer and Ban Yuan Villages : a model for ethnic community for tourism development as a secondary attraction in Bangkok. ม.ป.ท.:Silpakorn University,;Chiranut Sopha และ Ken Taylor. Ban Khmer and Ban Yuan Villages : a model for ethnic community for tourism development as a secondary attraction in Bangkok. ม.ป.ท.:Silpakorn University, 2009. Print.