Wholesale pricing, NGA take-up and competition [documento electrónico] / Steffen Hoernig...[et al.]
Os desafios do sector postal face à liberalização total [documento eletrónico] / Autoridade Nacional de Comunicações
The consumer markets scoreboard [documento electrónico] : making markets work for consumers / European Commission
Consumer conditions scoreboard [documento electrónico] : consumers at home in the single market / European Commission
Superbrands : marcas de excelência em Portugal 2011 / ed. Roberto Alves e Rodrigo Correia