Duangdao, Y. . ., C. . Na Thalang, S. Pomsuwan, and S. . Tungbenchasirikul. “Paradigm to Enhance Thailand Tourism Marketing Development for Japanese Senior Citizens”. Dusit Thani College Journal, vol. 13, no. 3, Apr. 2020, pp. 180-97, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/241109.