Pipattanakul, P. ., Y. . Arakkitsakul, P. . Chamnankham, and S. . Kotchanood. “Roles of State and Problems of the Thai Education System: Limited Opportunities on Educational Inequality of Non-Formal Education Students in Pursuing Higher Education”. JOURNAL OF SOUTHERN TECHNOLOGY, vol. 16, no. 2, Oct. 2023, pp. 130-41, https://so04.tci-thaijo.org/index.php/journal_sct/article/view/262858.