“UPAYA PENINGKATAN KEMAMPUAN BERPIKIR KRITIS MATEMATIKA MELALUI MODEL PEMBELAJARAN PROBLEM POSING”, epsilon, vol. 2, no. 2, Dec. 2020, Accessed: Nov. 12, 2025. [Online]. Available: https://jurnal.stkippgribl.ac.id/index.php/epsilon/article/view/544