MOORHEAD, Simon. Automation of Directory Assistance. Journal of Telecommunications and the Digital Economy, [S. l.], v. 13, n. 3, p. 176–190, 2025. DOI: 10.18080/jtde.v13n3.1330. Disponível em: https://www.jtde.telsoc.org/index.php/jtde/article/view/1330. Acesso em: 26 oct. 2025.