Nurfitriyani, Muhammad Makki, and Husniati. “Analisis Kemampuan Berpikir Kritis Pada Mata Pelajaran Matematika: Studi Pembelajaran Menggunakan Model Problem Based Learning (PBL)”. Journal of Classroom Action Research 4, no. 3 (September 5, 2022): 39–45. Accessed October 8, 2022. https://jppipa.unram.ac.id/index.php/jcar/article/view/1884.