Phophan, K. “The Situation of Nostalgia Tourism to Accommodate MICE Travelers: A Case Study of Phra Nakhon Si Ayutthaya Province”. Journal of Innovation and Management, vol. 6, no. 1, June 2021, pp. 65-75, https://so03.tci-thaijo.org/index.php/journalcim/article/view/246343.