Panyu และผู้แต่งคนอื่นๆ. (2021) The elements of tourist satisfaction and loyalty with cultural/heritage sites: evidence from Ayutthaya. National Institute of Development Administration:ม.ป.ท.Panyu และผู้แต่งคนอื่นๆ. 2021. The elements of tourist satisfaction and loyalty with cultural/heritage sites: evidence from Ayutthaya. ม.ป.ท.:National Institute of Development Administration;Panyu และผู้แต่งคนอื่นๆ. The elements of tourist satisfaction and loyalty with cultural/heritage sites: evidence from Ayutthaya. ม.ป.ท.:National Institute of Development Administration, 2021. Print.