Jiemwittayanukul, E., C. Madiloggovit, and L. Udompong. “THE STUDY OF DEMOCRATIC CITIZENSHIP OF THE THAI YOUTH BASED ON THE 21st CENTURY CITIZENSHIP COMPETENCIES”. Journal of Industrial Education, vol. 18, no. 1, Apr. 2019, pp. 89-99, https://ph01.tci-thaijo.org/index.php/JIE/article/view/149955.