KHALID SHERRIF, G. Impact of Concept Maps on Achievement and Treating Lack of Attention For Special Education Pupils. College of Basic Education Research Journal, [S. l.], v. 11, n. 2, p. 62–98, 2012. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/39496. Acesso em: 26 oct. 2025.