NURYANA, E.; FITERIANI, I.; AFRIYADI, M. M. PERAN CONCRETE-PICTORIAL-ABSTRACT (CPA) APPROACH DAN STUCTURED PROBLEM SOLVING DALAM PEMBELAJARAN MATEMATIKA DI SD/MI. De Fermat : Jurnal Pendidikan Matematika, [S. l.], v. 9, n. 1, p. 781–792, 2026. DOI: 10.36277/defermat.v9i1.2547. Disponível em: https://jurnal.pmat.uniba-bpn.ac.id/index.php/DEFERMAT/article/view/2547. Acesso em: 28 jun. 2026.