MOORHEAD, Simon. Impressions of an Overseas Visit by a Lines Engineer. Journal of Telecommunications and the Digital Economy, [S. l.], v. 6, n. 4, p. 63–74, 2018. DOI: 10.18080/jtde.v6n4.164. Disponível em: https://mail.jtde.telsoc.org/index.php/jtde/article/view/164. Acesso em: 8 jan. 2025.