Suwannasri P. The Development of Mathematics Learning Instructional Model Based on Constructivist Theory to Enhance Analytical Thinking Skills for Grade 8 Students’ Learning about Introduction to Real Numbers. JTPLC [internet]. 2023 Dec. 31 [cited 2026 Sep. 2];3(3):210-33. available from: https://so05.tci-thaijo.org/index.php/JTPLC/article/view/263887