PUTRI UTAMI, D. S.; SETIYAWATI, E. Students’ Mathematical Problem Solving Ability in Elementary School: Kemapuan Pemecahan Masalah Matematis Siswa di Sekolah Dasar. Academia Open, [S. l.], v. 7, p. 10.21070/acopen.7.2022.4064, 2022. DOI: 10.21070/acopen.7.2022.4064. Disponível em: https://acopen.umsida.ac.id/index.php/acopen/article/view/4064. Acesso em: 23 sep. 2025.