Klungsaeng, Katesaraporn. 2021. “Perceived Readiness and Needs of Undergraduate Students in Developing English Skills under the Liberalization of the ASEAN Economic Community: Case Study of College of Politics and Governance Mahasarakham University”. Journal of Politics and Governance 11 (1). Mahasarahham, Thailand:140-62. https://so03.tci-thaijo.org/index.php/jopag/article/view/251705.