<ul><li><a href=https://www.anacom.pt/render.jsp?contentId=694221 target=_blank>ANACOM Report Mobile services, 2018</a></li><li><a href=https://ec.europa.eu/digital-single-market/en/scoreboard/portugal target=_blank>EU Commission DESI report 2019</a></li><li><a href=https://www.anacom.pt/render.jsp?categoryId=383822 target=_blank>ANACOM Characteristics of the mobile market 06/08/2015(ANACOM Caracterização do mercado móvel. Adopted 06/08/2015, last consulted on )</a></li></ul>