L. S. da Costa, T. M. Barboza, and Q. S. Tavares, “Linguistic planning and maintenance: the construction of the Xikrín do Cateté language writing system”, Dom. Ling., vol. 13, no. 1, pp. 313–330, Feb. 2019, doi: 10.14393/DL37-v13n1a2019-13.