Simanjuntak KC, Thesalonika E, Sihombing P. 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 [Internet]. 2023 Dec. 14 [cited 2026 May 22];3(6):5874-85. Available from: https://j-innovative.org/index.php/Innovative/article/view/7218