NWACHUKWU, E. L. N. Negation in Ngor-Okpala dialect of Igbo . Journal of Literature Language and Academic Studies, [S. l.], v. 2, n. 02, p. 44–50, 2023. DOI: 10.56855/jllans.v2i2.638. Disponível em: https://journals.eduped.org/index.php/J-LLANS/article/view/638. Acesso em: 15 oct. 2025.