Oliveira, Rui, and José Manuel Mendonça. “STAYAWAY COVID. Contact Tracing for COVID-19”. INESC TEC Science&Society 1, no. 1 (December 2, 2020): 58–61. Accessed April 26, 2024. https://science-society.inesctec.pt/index.php/inesctecesociedade/article/view/33.