Aziz, Abdul, Shahibul Ahyan, and Lalu Muhammad Fauzi. “Implementasi Model Problem Based Learning (PBL) Dalam Meningkatkan Kemampuan Berpikir Kritis Mahasiswa Melalui Lesson Study”. Jurnal Elemen 2, no. 1 (January 30, 2016): 83–91. Accessed November 24, 2024. https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/179.