Sihaloho, S. M. and Saragih, M. J. (2024) “PENERAPAN MODEL PROBLEM BASED LEARNING UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS SISWA PADA PEMBELAJARAN MATEMATIKA [IMPLEMENTATION OF THE PROBLEM BASED LEARNING MODEL TO IMPROVE STUDENTS’ CRITICAL THINKING SKILLS IN MATHEMATICS LEARNING]”, JOHME: Journal of Holistic Mathematics Education, 8(1), pp. 101–115. doi: 10.19166/johme.v8i1.8270.