Mooncome, O., and C. Na Thalang. “Behaviors of Domestic Tourists in the Special Economic Zone in Nakhon Phanom Province”. Dusit Thani College Journal, vol. 14, no. 1, Apr. 2020, pp. 130-44, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/241386.