Latteerasuwan , Sarinya, Aree Naipinit, and Sumeth Kaenmanee. 2020. “Competency Factors of Entrepreneurs in the Northeastern Region of Thailand Affecting Competitiveness Against Countries in the Greater Mekong Sub-Region”. Journal of Business Administration The Association of Private Higher Education Institutions of Thailand 9 (1). Bangkok, Thailand:174-95. https://so02.tci-thaijo.org/index.php/apheitvu/article/view/242892.