CAPPS, Lelon R.; HATFIELD, Mary M. MATHEMATICAL CONCEPTS AND SKILLS Diagnosis, Prescription and Correction of Deficiencies. Focus on Exceptional Children, [S. l.], v. 8, n. 8, 1977. DOI: 10.17161/foec.v8i8.7125. Disponível em: https://journals.ku.edu/focusXchild/article/view/7125.. Acesso em: 22 jul. 2024.