AMINAH, Y. . PENINGKATAN HASIL BELAJAR MATEMATIKA PADA MATERI NILAI DAN KESETARAAN MATA UANG MELALUI MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL). Prosiding Seminar Nasional PPG Universitas Mulawarman, [S. l.], v. 1, p. 42–48, 2020. DOI: 10.30872/semnasppg.v1.693. Disponível em: https://jurnal.fkip.unmul.ac.id/index.php/semnasppg/article/view/693. Acesso em: 5 dec. 2025.