PENGARUH PENERAPAN MODEL PEMBELARAN PROBLEM BASED LEARNING TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS PESERTA DIDIK KELAS X SMAN 1 V KOTO KAMPUNG DALAM. Sindoro. 2025;18(2):2051-2060. Accessed October 3, 2026. https://cibjournal.com/index.php/sindoro/article/view/3929