Mustasyfiyah M. MENINGKATKAN PRESTASI BELAJAR MATEMATIKA DENGAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING. J. Ind. Math. Educ. Soc. [Internet]. 2020 Jul. 1 [cited 2025 Apr. 1];1(2):31-7. Available from: https://journal.unesa.ac.id/index.php/jimes/article/view/8175