Aziz A, Ahyan S, Fauzi LM. Implementasi Model Problem Based Learning (PBL) dalam Meningkatkan Kemampuan Berpikir Kritis Mahasiswa melalui Lesson Study. J. Elemen [Internet]. 2016 Jan. 30 [cited 2024 Nov. 24];2(1):83-91. Available from: https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/179