GULTOM, Ardi Rakasiwi; SIMAMORA, Rianita; SIMARMATA, Gayus. Efektivitas Pembelajaran Matematika Melalui Model Pembelajaran Konstruktivis Terhadap Kemampuan Pemahaman Konsep Siswa Kelas VIII SMP Negeri 2 Siantar. Innovative: Journal Of Social Science Research, [S. l.], v. 4, n. 1, p. 2114–2128, 2024. DOI: 10.31004/innovative.v4i1.8138. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/8138. Acesso em: 7 may. 2026.