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GURUSINGA, E. Y. B.; ABI, A. R.; JULIANA, J.; SIPAYUNG, R. F.; SILABAN, P. J. PENGARUH MODEL PEMBELAJARAN PROBLEM SOLVING TERHADAP HASIL BELAJAR MATEMATIKA SISWA KELAS IV SD NEGERI 101837 SUKAMAKMUR TAHUN PEMBELAJARAN 2023/2024. Jurnal Ilmiah Aquinas, [S. l.], v. 7, n. 2, p. 196–208, 2024. Disponível em: https://ejournal.ust.ac.id/index.php/Aquinas/article/view/3962. Acesso em: 19 apr. 2025.