Heightening competition in the postal and delivery sector / ed. by Michael A. Crew, Paul R. Kleindorfer
Europe's digital deficit [documento electrónico] : revitalising the market in electronic communications / ed. Analysys Mason
Barómetro media e comunicação [documento electrónico] : tendências 2009/2010 / coord. Gustavo Cardoso, Rita Espanha
The global competitiveness report 2010-2011 [documento electrónico] / Xavier Sala-i-Martin
Compreender + África : fundamentos para competir no mundo / Rui Moreira de Carvalho; Pref. Luís Palha
Duopoly competition with competitor partial ownership [documento eletrónico] / Duarte Brito, Luís Cabral, Helder Vasconcelos