The Problem Of Numeration Difficulties (Dyscalculia) In Children: Systematic Literature Review. Primary: Jurnal Pendidikan Guru Sekolah Dasar, [S. l.], v. 12, n. 5, p. 1361–1374, 2023. DOI: 10.33578/10.33578/jpfkip.v12i5.9925. Disponível em: https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/447. Acesso em: 21 dec. 2025.