Laoli, Arnius, and Amin Otoni Harefa. “STUDI MODEL PEMBELAJARAN PROBLEM SOLVING TERHADAP MOTIVASI BELAJAR MATEMATIKA”. Jurnal Tunas Pendidikan 6, no. 1 (October 9, 2023): 243–251. Accessed July 3, 2024. https://ejournal.ummuba.ac.id/index.php/pgsd/article/view/1419.