“PENERAPAN MODEL PROBLEM BASED LEARNING UNTUK MENINGKATKAN BERPIKIR KRITIS MATEMATIS SISWA SMK” (2024) JOURNAL OF SONGKE MATH, 6(2), pp. 97–105. Available at: https://jurnal.unikastpaulus.ac.id/index.php/JSM/article/view/1667 (Accessed: 11 October 2026).