PURBA, Irfani; SIMAMORA, Rianita; PURBA, Yoel Octobe. Pengaruh Model Pembelajaran Problem Solving Terhadap Kemampuan Pemecahan Masalah Matematis Pada Materi Spldv Kelas VIII SMP Negeri 3 Pematang Siantar. Innovative: Journal Of Social Science Research, [S. l.], v. 3, n. 6, p. 10032–10044, 2023. DOI: 10.31004/innovative.v3i6.7731. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/7731. Acesso em: 10 may. 2026.