GAOL, Gabe Pangeran Lumban; PANJAITAN, Muktar Bahruddin; TAMBUNAN, Janwar. Pengaruh Model Pembelajaran Problem Based Learning Terhadap Hasil Belajar IPAS Siswa Kelas IV SD Negeri 091273 Karang Bangun Pematangsiantar . Innovative: Journal Of Social Science Research, [S. l.], v. 5, n. 4, p. 11160–11174, 2025. DOI: 10.31004/innovative.v5i4.21168. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/21168. Acesso em: 30 apr. 2026.