Fitriani NM, Nurcahyo A, Purnamasari DT. Peningkatan kemandirian belajar matematika melalui strategi pembelajaran problem based learning. Jurnal Ilmiah WUNY [Internet]. 2024 Oct. 8 [cited 2025 May 6];6(2):79-8. Available from: https://journal.uny.ac.id/index.php/wuny/article/view/75569