Aminah Y. PENINGKATAN HASIL BELAJAR MATEMATIKA PADA MATERI NILAI DAN KESETARAAN MATA UANG MELALUI MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL). semnasppg [Internet]. 2020 Dec. 31 [cited 2026 Apr. 5];1:42-8. Available from: https://jurnal.fkip.unmul.ac.id/index.php/semnasppg/article/view/693