IRWAN, Irwan; ILYAS, Muhammad; HIDAYAT, Rahmat. Pengaruh Model Problem Based Learning Terhadap Kemampuan Pemecahan Masalah Matematis pada Level Sekolah Dasar. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, [S. l.], v. 3, n. 1, p. 1–11, 2023. DOI: 10.51574/kognitif.v3i1.565. Disponível em: https://etdci.org/journal/kognitif/article/view/565. Acesso em: 27 jul. 2025.