SIMEONOVA, T. Features of communication services, requirements and applications for 6G. Yearbook Telecommunications, [S. l.], v. 8, p. 23–33, 2021. DOI: 10.33919/YTelecomm.21.8.3. Disponível em: https://ojs.nbu.bg/index.php/YT/article/view/596. Acesso em: 2 oct. 2022.