Obstacles and Difficulties of Students in Incorporating Integer Numbers. Advances of Research in Mathematics Education, [S. l.], n. 26, p. 41–63, 2024. DOI: 10.35763/aiem26.4725. Disponível em: https://aiem.es/aiem/article/view/v26-zapatera-quevedo-gonzalez-etal. Acesso em: 20 may. 2026.