Popom, K., & Anutragulcha, R. (2020). The Development of Mathematical Problem Solving Skills in the Subjects of Combined Addition and Subtraction Problems by using 5Es Inquiry Learning Cycle Integrated with TGT Cooperative Learning Technique for Prathom Suksa 2 Students. cademic ournal of ahamakut uddhist niversity oi t ampus, 10(1), 507-517. etrieved from https://so01.tci-thaijo.org/index.php/AJMBU/article/view/247257