Internal core Competencies and Competitive Advantage in Telecommunication Industry. A case of Mobile Telecommunication Network Rwanda. International Journal of Advanced Business Studies, [S. l.], v. 3, n. 3, p. 39–50, 2025. DOI: 10.59857/IJABS1232. Disponível em: https://besra-journals.net/index.php/ijabs/article/view/58. Acesso em: 27 apr. 2026.