Souza, J. C. and Amado, R. de S. (2016) “Portuguese as a second language among Timbira indians: difficult elements in verbal acquisition”, Estudos Linguísticos (São Paulo. 1978), 40(2), pp. 595–602. Available at: https://revistas.gel.org.br/estudos-linguisticos/article/view/1320 (Accessed: 22 July 2024).