Deny Hadi Siswanto, Susetyawati ME. Comparison of the Effectiveness of Cooperative Learning Models TPS and GI on Students’ Mathematical Concept Understanding Ability. IJSMR [Internet]. 2024 Jul. 30 [cited 2026 Jul. 14];2(7):875-88. Available from: https://journal.formosapublisher.org/index.php/ijsmr/article/view/10034