RAI, Tara Mani. Koyee Vowels: An Acoustic Analysis. Gipan, [S. l.], v. 3, n. 2, p. 136–143, 2017. DOI: 10.3126/gipan.v3i2.48918. Disponível em: https://nepjol.info./index.php/gipan/article/view/48918. Acesso em: 14 mar. 2025.