Singphen J, Suaklay N. The Group Investigation Technique (GI) and Gamification for Learning Activities to Enhance Scientific Explanation and Learning Achievement for Mattayomsuksa 5 Students. jg-mcukk [internet]. 2026 Jun. 30 [cited 2026 Oct. 14];13(2):429-42. available from: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/282723