Yisa, Yu, Piyawadee Makpa, and Nuttida Pujeeb. “The Development of Competency-Based Online Course for Course for Improving Literacy of Ecological Civilization”. Journal of Cultural Analysis and Social Change 10, no. 4 (December 7, 2025): 853–867. Accessed May 25, 2026. http://jcasc.com/index.php/jcasc/article/view/2958.