Urbanski, Ítalo R. W., D. Ferreira, and A. N. Xavier. “Contributions to Libras Toponymic Studies through the Analysis of Toponyms That Designate Brazilian Cities in Libras”. Revista GTLex, vol. 6, no. 1, Feb. 2021, pp. 234-67, doi:10.14393/Lex11-v6n1a2020-13.