Anuário da comunicação 2011-2012 [documento eletrónico] / Gustavo Cardoso...[et al.]
Media em movimento 2013 [documento electrónico] : perspectivas sobre a evolução do mercado dos media, a partir de uma (meta-)análise de 30 relatórios de consultoras globais / Gustavo Cardoso...[et al.]
Communications market report 2013 [documento eletrónico] / Office of Communications
Inquérito sobre ofertas de pacotes de comunicações eletrónicas em Portugal [documento eletrónico] / Indera - Estudos Económicos
CISPR 20 [documento eletrónico] : sound and television broadcast receivers and associated equipment; : immunity characteristics; : limits and methods of measurements / International Electrotechnical Commission
CISPR 20 [documento eletrónico] : amendment 1; : sound and television broadcast receivers and associated equipment; : immunity characteristics; : limits and methods of measurement / International Electrotechnical Commission
Study on assessing and promoting e-accessibility [documento eletrónico] : final report / ed. Lutz Kubitschke...[et al.]