MN, Nuryasman. “Peningkatan Kualitas Sumber Daya Manusia Melalui Problem-Based Learning (PBL)”. Jurnal Manajemen 5, no. 2 (June 28, 2001): 89–97. Accessed May 9, 2024. http://ecojoin.org/index.php/EJM/article/view/537.