D. R. Moura and T. B. M. Palazzo, “Challenges of teaching of Libras as a second language to listeners”, EIAE.RH, vol. 4, no. 4, pp. 348–365, Jan. 2018, Accessed: Jul. 09, 2026. Available: https://revistahipotese.editoraiberoamericana.com/revista/article/view/371