Tantiragdham, Orawan, and Komkrit Wongkhae. “Situations and Factors Affecting Recession of International Tourism: An Application of Level and Trend Quadrant”. WMS Journal of Management 3, no. 1 (March 21, 2016): 41–55. Accessed April 20, 2024. https://so06.tci-thaijo.org/index.php/wms/article/view/52604.