Yonwikai, Wilasinee. “Business Development Guidelines to Support Tourism Behaviours of Elders Travelling in Thailand”. Dusit Thani College Journal 13, no. 2 (April 11, 2020): 428–438. Accessed April 19, 2024. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/241082.