OLIVEIRA, P. C. de. Digital Single Market: electronic commerce and collaborative economy. UNIO – EU Law Journal, [S. l.], v. 5, n. 2, p. 4–14, 2019. DOI: 10.21814/unio.5.2.2288. Disponível em: https://revistas.uminho.pt/index.php/unio/article/view/2288. Acesso em: 18 apr. 2024.