Serviços, aplicações e dispositivos móveis e portateis [documento electrónico] : análise e previsões, 2005-2009 / Gabriel Coimbra e João Silva
E-communications household survey [documento electrónico] / European Commission
Handset subsidies - an empirical investigation / Pedro Pita Barros
Telecom operators : facing off on convergence / Arthur D. Little, Exane BNP Paribas
Report on the telecommunications market in 2005 [documento electrónico] / Office of Electronic Communications
Telecommunications essentials / Lillian Goleniewski; ed. Kitty Wilson Jarrett
Fixed mobile convergence : business opportunities, trends and market approaches in the global market place / Paul Merry, Dimitris Mavrakis