AKUBOR, V. A. .; LETAM, N. S. . Competitive Aggressiveness and Growth of Telecommunication Firms in South-South Nigeria. International Journal on Economics, Finance and Sustainable Development, [S. l.], v. 8, n. 3, p. 180–200, 2026. DOI: 10.31149/ijefsd.v8i3.5826. Disponível em: https://journals.researchparks.org/index.php/IJEFSD/article/view/5826. Acesso em: 16 oct. 2026.