1.
Sipayung YS, Manurung S, Sauduran GN. Pengaruh Model Pembelajaran Problem Based Learning (PBL) terhadap Kemampuan Pemecahan Masalah Matematis Siswa Kelas VIII . JPDK [Internet]. 2022 Nov. 3 [cited 2025 Dec. 15];4(6):781-90. Available from: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/8251