ศิริภัทรโสภณ ดร.ศักดิ์ดา. 2020. “Competitive Capacity and Readiness of Thai Small and Mediums Enterprises for Entering the ASEAN Economic Community”. Journal of the Association of Researchers 21 (1):9-33. https://so04.tci-thaijo.org/index.php/jar/article/view/243073.