Kindangen, Valentine, Victor Sulangi, and I Damai. “PENGEMBANGAN PERANGKAT PEMBELAJARAN MODEL PROBLEM SOLVING MATERI BARISAN ARITMATIKA PESERTA DIDIK SMA NEGERI KAKAS”. Sora Journal of Mathematics Education 2, no. 1 (May 26, 2021): 28-34. Accessed April 3, 2025. https://ojs3.unpatti.ac.id/index.php/sora/article/view/3895.