EBITARE F. OBIKUDO; WILBERFORCE AYUWO. Vowel Variations in Obolo language. Eurasian Journal of Humanities and Social Sciences, [S. l.], v. 28, p. 21–28, 2024. Disponível em: https://geniusjournals.org/index.php/ejhss/article/view/5566. Acesso em: 14 nov. 2024.