Ashari NW, Salwah S. Problem Based Learning Untuk Meningkatkan Self Directed Learning Dalam Pemecahan Masalah Mahasiswa Calon Guru: Suatu Studi Literatur. Proximal [Internet]. 2018 Mar. 1 [cited 2025 Jul. 8];1(1):24-31. Available from: https://www.e-journal.my.id/proximal/article/view/181