Sermsuk, T., and S. i Pattanasith. “The Development of Collaborative Learning on Web-Based Instruction Using Critical Thinking Process Model”. KASEM BUNDIT JOURNAL, vol. 19, no. 2, Dec. 2018, pp. 182-98, https://so04.tci-thaijo.org/index.php/jkbu/article/view/160743.