AKUMBU, P. W.; HYMAN, L. M. Nasals and Low Tone in Grassfields Noun Class Prefixes. Nordic Journal of African Studies, [S. l.], v. 26, n. 1, p. 13, 2017. DOI: 10.53228/njas.v26i1.94. Disponível em: https://njas.fi/njas/article/view/94. Acesso em: 4 may. 2024.