Ananda Suprakarn และ SUPPAKORN DISATAPUNDHU. (2013) AN INTERPRETATION PLAN FOR HERITAGE TOURISM PROMOTION IN CHIANG SAEN DISTRICT, CHIANG RAI. Chulalongkorn University:ม.ป.ท.Ananda Suprakarn และ SUPPAKORN DISATAPUNDHU. 2013. AN INTERPRETATION PLAN FOR HERITAGE TOURISM PROMOTION IN CHIANG SAEN DISTRICT, CHIANG RAI. ม.ป.ท.:Chulalongkorn University;Ananda Suprakarn และ SUPPAKORN DISATAPUNDHU. AN INTERPRETATION PLAN FOR HERITAGE TOURISM PROMOTION IN CHIANG SAEN DISTRICT, CHIANG RAI. ม.ป.ท.:Chulalongkorn University, 2013. Print.