Andriyani, Rizky, Naeklan Simbolon, Ibrahim Gultom, Robenhart Tamba, and Lidia Simanihuruk. “Pengaruh Model Pembelajaran Project Based Learning Dan Problem Based Learning Terhadap Hasil Belajar Siswa Kelas IV SDN 060939 Medan Amplas”. Jurnal Pendidikan Tambusai 8, no. 1 (February 18, 2024): 9150–9163. Accessed May 9, 2025. http://jptam.org/index.php/jptam/article/view/13773.