Saputri, Maulida, and Theresia Rahayu. “Efektivitas Model Problem Based Learning Dan Discovery Learning Terhadap Berfikir Kritis Pada Pembelajaran Matematika: Kajian Meta-Analisis”. FONDATIA 5, no. 1 (March 30, 2021): 85-94. Accessed November 6, 2026. https://ejournal.ipn.ac.id/index.php/fondatia/article/view/1102.