ADEME, D. G.; OPUENE, E. J. CUSTOMER’S QUALITY PERCEPTION AND BRAND PREFERENCE OF TELECOMMUNICATION FIRMS IN BAYELSA STATE, NIGERIA. World Economics and Finance Bulletin, [S. l.], v. 7, p. 131-139, 2022. Disponível em: https://scholarexpress.net/index.php/wefb/article/view/1036. Acesso em: 10 jan. 2025.