PENGARUH PENERAPAN MODEL PEMBELARAN PROBLEM BASED LEARNING TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS PESERTA DIDIK KELAS X SMAN 1 V KOTO KAMPUNG DALAM. Sindoro [Internet]. 2025 Dec. 16 [cited 2026 Oct. 2];18(2):2051-60. Available from: https://cibjournal.com/index.php/sindoro/article/view/3929