MANAGERIAL COMPETENCY AND ORGANIZATIONAL SUCCESSOF TELECOMMUNICATION FIRMS IN RIVERS STATE. WEST AFRICA DYNAMIC JOURNAL OF HUMANITIES, SOCIAL AND MANAGEMENT SCIENCES AND EDUCATION, [S. l.], 2025. Disponível em: https://gagdm.com/index.php/WDJHSME/article/view/83. Acesso em: 5 feb. 2026.