WORKING ON ARITHMETIC OPERATIONS IN PRIMARY SCHOOL LESSONS. International Journal of Advance Scientific Research, [S. l.], v. 5, n. 12, p. 60–63, 2024. DOI: 10.37547/ijasr-04-12-10. Disponível em: https://sciencebring.com/index.php/ijasr/article/view/834. Acesso em: 27 jul. 2025.