CAMPBELL, L. H.; MITHEN, J. The Broadband Futures Forum: Affordability of Broadband Services. Journal of Telecommunications and the Digital Economy, [S. l.], v. 9, n. 4, p. 127–137, 2021. DOI: 10.18080/jtde.v9n4.468. Disponível em: https://jtde.telsoc.org/index.php/jtde/article/view/468. Acesso em: 25 jan. 2022.