Supachet Chansarn, Duangthida Nunthapirat, and Panisara Khongthaworn. “Economic Impact of Foreign Tourists: An Empirical Analysis of the Top 20 Countries with the Most Tourists in Thailand”. SSRU International Journal of Management Science (IJMS), vol. 11, no. 2, Nov. 2024, pp. 196-14, https://so10.tci-thaijo.org/index.php/ssru/article/view/2828.