Sermsomboon, Khemmaratt, and Kaedsiri Jaroenwisan. 2022. “The Model of Business Tourism in Area of Eastern Economic Corridor (EEC)”. Journal of Liberal Arts and Management Science Kasetsart University 9 (1). Sakon Nakhon, Thailand:165-80. https://so14.tci-thaijo.org/index.php/jlams/article/view/251.