Simanjuntak, K. C., Thesalonika, E. and Sihombing, P. (2023) “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, 3(6), pp. 5874–5885. Available at: https://j-innovative.org/index.php/Innovative/article/view/7218 (Accessed: 22 May 2026).