Sonjinsue, V. . ., S. . . Sognsanit, and V. . . Sakorn. “The Development of Web-Based Instruction Using Group Investigation Technique to Enhance Analytical Thinking Skill of Mattayomsuksa 6 Student”. Academic MCU Buriram Journal, vol. 1, no. 1, June 2016, pp. 62-71, https://so06.tci-thaijo.org/index.php/ambj/article/view/241646.