Nuryana, Eti, Ida Fiteriani, and Muhammad Muchsin Afriyadi. “PERAN CONCRETE-PICTORIAL-ABSTRACT (CPA) APPROACH DAN STUCTURED PROBLEM SOLVING DALAM PEMBELAJARAN MATEMATIKA DI SD/MI”. De Fermat : Jurnal Pendidikan Matematika 9, no. 1 (June 26, 2026): 781–792. Accessed June 28, 2026. https://jurnal.pmat.uniba-bpn.ac.id/index.php/DEFERMAT/article/view/2547.