SIMANJUNTAK, Kezia Carolina; THESALONIKA, Emelda; SIHOMBING, Partohap. Pengaruh Model Problem Based Learning (PBL) Terhadap Hasil Belajar Siswa Kelas IV Pada Tema 2 Selalu Berhemat Energi Subtema 1 Sumber Energi SDN 097805 Rambung Merah. Innovative: Journal Of Social Science Research, [S. l.], v. 3, n. 6, p. 5874–5885, 2023. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/7218. Acesso em: 22 may. 2026.