Difinubun, Fajria Ahmad, Makmuri Makmuri, and Flavia Aurelia Hidayat. “Preliminary Study On The Development of Project-Based Learning Module to Improve Students’ Mathematical Problem Solving Ability”. Mathline : Jurnal Matematika dan Pendidikan Matematika 9, no. 2 (May 25, 2024): 605–628. Accessed January 17, 2026. http://mathline.unwir.ac.id/index.php/Mathline/article/view/638.