โสภา ร. “A Study of Analytical Thinking Abilities for Grade 8 Students Through Inquiry Method (5E) With Graphic Organizer Technique”. Journal of Education Khon Kaen University (Graduate Studies Research), vol. 11, no. 4, May 2018, pp. 119-2, https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/125421.