[1]
2022. Effectiveness of Android-Based Learning Media “Teman Ritma” to Improve Problem-Solving Skills of SMP Negeri 5 Yogyakarta. Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika. 6, 2 (Apr. 2022). DOI:https://doi.org/10.26486/jm.v6i2.2447.