Involving people with disabilities : in the stantardisation process / John Gill
Future networks and services [documento electrónico] : developing the future of the internet through european research / Information Society and Media of the European Commission
The global Information Society [documento electrónico] : a statistical view: partnership on measuring ICT for development / United Nations
Índice nacional de satisfação do cliente : relatório Anacom 2002 / Manuel Vilares e Pedro Simões Coelho