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