Silveira, Alessandra, and Pedro Miguel Freitas. “The Recent Jurisprudence of the CJEU on Personal Data Retention: Implications for Criminal Investigation in Portugal”. UNIO – EU Law Journal 3, no. 2 (March 12, 2019): 45–56. Accessed May 18, 2024. https://revistas.uminho.pt/index.php/unio/article/view/213.