Lestari Y, Julyanti E, Harahap NA. Impact of Problem-Based Learning Models Faced with Critical Mathematical Thingking in Schools in the Eyes of Learning Numbers. Math Didactic [Internet]. 21 Maret 2024 [dikutip 30 Juni 2025];10(1):61-0. Tersedia pada: https://jurnal.stkipbjm.ac.id/index.php/math/article/view/2662