Informe anual 2001 : el mercado de las telecomunicaciones, audiovisual e Internet / Comisión del Mercado da las Telecomunicaciones
Protecção dos consumidores nos contratos celebrados através da Internet : contributo para uma análise numa perspectiva material e internacionalprivatista / Elsa Dias Oliveira
Re-thinking the network economy : the true forces that drive the digital marketplace / Stan J. Liebowitz
World Telecommunication/ICT Indicators Database / International Telecommunications Union
Understanding accessibility : a guide to achieving compliance on web sites and intranets / Robert B. Yonaitis