MARQUES, J. M. dos S.; NUNES, M. A. S. N.; MACHADO, R. P.; FERREIRA, S. B. L. The State-of-the-art on Image Reading for Visually Impaired Citizens: a Systematic Mapping in Patent Documents. iSys - Brazilian Journal of Information Systems, [S. l.], v. 14, n. 1, p. 89–118, 2021. DOI: 10.5753/isys.2021.974. Disponível em: https://sol.sbc.org.br/journals/index.php/isys/article/view/974. Acesso em: 17 oct. 2021.