Wipada Thaothampitak และ Therdchai Choibamroong. (2018) The branding process of the world heritage historic city of Ayutthaya. National Institute of Development Administration:ม.ป.ท.Wipada Thaothampitak และ Therdchai Choibamroong. 2018. The branding process of the world heritage historic city of Ayutthaya. ม.ป.ท.:National Institute of Development Administration;Wipada Thaothampitak และ Therdchai Choibamroong. The branding process of the world heritage historic city of Ayutthaya. ม.ป.ท.:National Institute of Development Administration, 2018. Print.