A Proposed Cost Accounting System and its Impact on Service Pricing in Vodafone Egypt. International Journal of Financial, Administrative and Economic Sciences, [S. l.], v. 2, n. 7, 2023. DOI: 10.59992/IJFAES.2023.v2n7p2. Disponível em: https://vsrp.co.uk/index.php/ijfaes/article/view/238. Acesso em: 2 jul. 2026.