State autononomy or transnational fusion [texto policopiado] : the European Union and the new telecommunications policies / Luís Filipe Lobo Fernandes
Comunicações técnicas : seminário Marconi sobre serviços de telecomunicacões de valor acrescentado; / [ed.lit.] Marconi
The business strategy audit : a company self-appraisal to analyze the effectiveness of your business strategy and your strategy-making process / Vernal Della-Piana, Murray Low and Kendall Lyman
Perspectives des communications 1993 / Organisation de Coopération et de Développement Économiques