EFFECT OF CUSTOMER RELATIONSHIP MANAGEMENT ON PERFORMANCE OF MOBILE TELECOMMUNICATION NETWORK, ABUJA, NIGERIA. ABUJA JOURNAL OF BUSINESS AND MANAGEMENT, [S. l.], v. 2, n. 4, 2024. DOI: 10.7118/a9v6sk62. Disponível em: http://ajbam.com.ng/index.php/ajbam/article/view/82.. Acesso em: 23 sep. 2026.