Tongchoiy, N., W. Oebpob, and T. Panbamrungkij. “Middle East Tourist’s Behavior in Bangkok”. Journal of Thai Hospitality and Tourism, vol. 16, no. 1, Dec. 2020, pp. 40-55, https://so04.tci-thaijo.org/index.php/tourismtaat/article/view/246350.