HAWTHORNE, R. Economic Regulation and Regulatory Performance in the Electronic Communications Sector: Key Themes for African Regulators. The African Journal of Information and Communication (AJIC), South Africa, n. 14, 2015. DOI: 10.23962/10539/20342. Disponível em: https://ajic.wits.ac.za/article/view/13676. Acesso em: 2 mar. 2024.