Gisela Anastacia Rosalind, Shelly Morin, Veni Saputri. Systematic Literature Review: Does Problem Based Learning Model Effectively Improve Mathematical Reasoning Ability?. didaktika.j.kep [Internet]. 2024 Nov. 17 [cited 2026 Oct. 17];13(4 Nopember):4715-32. Available from: https://jurnaldidaktika.org/contents/article/view/1056