AZEVEDO DE AMORIM, Ana Clara. Contracting additional services in telecommunications: Portuguese case law. Law, State and Telecommunications Review, [S. l.], v. 16, n. 1, p. 365–383, 2024. DOI: 10.26512/lstr.v16i1.50364. Disponível em: https://periodicos.unb.br/index.php/RDET/article/view/50364. Acesso em: 11 dec. 2024.