RIANTI RAHMALIA; HAJIDIN, Hajidin; BI. ANSARI. PENINGKATAN KEMAMPUAN KOMUNIKASI MATEMATIS DAN DISPOSISI MATEMATIS SISWA SMP MELALUI MODEL PROBLEM BASED LEARNING. Numeracy, [S. l.], v. 7, n. 1, p. 137–149, 2020. DOI: 10.46244/numeracy.v7i1.1038. Disponível em: https://ejournal.bbg.ac.id/index.php/numeracy/article/view/1038. Acesso em: 3 aug. 2026.