RAI, B. K. Chamling basic vowels: acoustic analysis. Gipan, [S. l.], v. 4, p. 175–185, 2019. DOI: 10.3126/gipan.v4i0.35465. Disponível em: https://www.nepjol.info/index.php/gipan/article/view/35465. Acesso em: 26 apr. 2024.