STAGES OF DEVELOPING GEOMETRIC CONCEPTS IN PRIMARY SCHOOL PUPILS. International journal of medical sciences, [S. l.], v. 5, n. 05, p. 73–76, 2025. DOI: 10.55640/. Disponível em: https://www.academicpublishers.org/journals/index.php/ijms/article/view/4328.. Acesso em: 9 mar. 2026.