Afinda, D. A. N. (2023). 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. International Journal of Research in Mathematics Education, 1(1), 25–36. https://doi.org/10.24090/ijrme.v1i1.8540