Simanjuntak MC, Purba N, Simarmata RK. Pengaruh Model Problem Based Learning Terhadap Hasil Belajar Siswa Tema 2 Sub Tema 3 Kelas V SDN 122347 Pematangsiantar. JPDK [Internet]. 2022 Nov. 4 [cited 2025 Dec. 11];4(6):1158-70. Available from: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/8296