“Pengaruh Model Problem Based Learning Terhadap Kemampuan Berpikir Kritis Matematis Siswa Dalam Memecahkan Masalah Matematika”. Jurnal Ilmiah Mandala Education 8, no. 2 (April 7, 2022). Accessed June 26, 2026. https://ejournal.mandalanursa.org/index.php/JIME/article/view/3217.