Legislação do trabalho nos países de língua portuguesa / [comp.] Carlos Antunes, Carlos Perdigão; pref. José João Abrantes
The media in the network society : browsing, news, filters and citizenship / Gustavo Cardoso; pref. Manuel Castells
IT governance based on Cobit : a pocket guide / Koen Brand, harry Boonen
Anti-spam measures : analysis and design / Guido Schryen