N, O. J.; E., E. V. irginia; MA. L, O. C. The Analysis of the Impact of Mobile Number Portability in Nigeria. International Journal For Research In Advanced Computer Science And Engineering, [S. l.], v. 2, n. 1, p. 36–46, 2016. DOI: 10.53555/cse.v2i2.551. Disponível em: https://cse.gpubjournal.com/index.php/cse/article/view/551. Acesso em: 6 dec. 2025.