MATHEW, A. S.; N, V. . Survey on Effect of Multimodal Interface on Senior Citizen. International Journal of Engineering and Computer Science, india, v. 7, n. 03, p. 23701–23704, 2018. Disponível em: http://ijecs.in/index.php/ijecs/article/view/3984. Acesso em: 1 may. 2024.