MANIK, Pebriyanti Rosalina; PURBA, Nancy Angelia; LUMBANTOBING, Minar Trisnawati. Pengaruh Model Problem Based Learning Terhadap Hasil Belajar Siswa Kelas IV pada Pembelajaran Tema 1 Indahnya Kebersamaan dengan Subtema 1 Keberagaman Budaya Bangsaku di SDN 122381 Pematangsiantar. Innovative: Journal Of Social Science Research, [S. l.], v. 3, n. 6, p. 3571–3584, 2023. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/6828. Acesso em: 8 may. 2026.