The media in the network society : browsing, news, filters and citizenship / Gustavo Cardoso; pref. Manuel Castells
A televisão paga : dinâmicas de mercado em Portugal e na Europa / Luísa Coelho Ribeiro
Anti-spam measures : analysis and design / Guido Schryen
Strategic management of technology and innovation / Robert A. Burgelman, Clayton M. Christensen and Steven C. Wheelwrigth