ปุ้งโพธิ์ ห. “The Development of Research Skills for Grade 11 Students Chatturatwittayakarn School Using Research Based Learning in the Learning Area of Social Studies Religion and Culture”. Journal of Education Khon Kaen University (Graduate Studies Research), vol. 11, no. 4, May 2018, pp. 234-42, https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/125582.