Seara, I. C., L. F. O. Quandros, and R. M. Martins. “Consonantal Nasality in the Variety of Nhandewa-Guarani: Preliminary Acoustic Analysis”. Journal of Experimental Phonetics, vol. 30, Oct. 2023, pp. 59-85, https://revistes.ub.edu/index.php/experimentalphonetics/article/view/43969.