OECD economic surveys [documento electrónico] : Portugal / Organisation for Economic co-Operation and Development
Developments in international telecommunications : executive summary / Autorité de Régulation des Télécommunications
Seamless mobility : the marriage of 3G and WI-FI: research report / IEC - International Engineering Consortium
Driving broadband 2003-2004 : strategies for success in the home and small business markets: research study / International Engineering Consortium