Octaria, Dina, and Eka Fitri Puspasari. “Peningkatan Self-Efficacy Mahasiswa Melalui Problem Based Learning (PBL) Pada Mata Kuliah Program Linier”. Jurnal Elemen 4, no. 1 (January 24, 2018): 66–79. Accessed November 22, 2024. https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/496.