Aminah Y. PENINGKATAN HASIL BELAJAR MATEMATIKA PADA MATERI NILAI DAN KESETARAAN MATA UANG MELALUI MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL). semnasppg [Internet]. 2020Dec.31 [cited 2025Dec.5];1:42-8. Available from: https://jurnal.fkip.unmul.ac.id/index.php/semnasppg/article/view/693