Afinda DAN. The Effect Of Student Team Achviement Divisions Model Assisted With Geogebra Media On Understanding Of Mathematical Concepts Of Circle Materials In Class VIII Students Of SMP Muhammadiyah 1 Purwokerto. IJRME [Internet]. 2023 Jul. 31 [cited 2026 Jun. 5];1(1):25-36. Available from: https://ejournal.uinsaizu.ac.id/index.php/ijrme/article/view/8540