Nutthachai Buranawimonwan ณ. บ., and Kassara Sukpatch เ. ส. “The Tourism Logistic: Physical Flow of Tak - Maesod Routes”. Dusit Thani College Journal, vol. 12, no. 2, May 2018, pp. 80-96, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/125840.