CAWLEY, John F. TEACHING ARITHMETIC TO MENTALLY HANDICAPPED CHILDREN. Focus on Exceptional Children, [S. l.], v. 2, n. 4, 1970. DOI: 10.17161/foec.v2i4.7269. Disponível em: https://journals.ku.edu/focusXchild/article/view/7269.. Acesso em: 22 jul. 2024.