Mobile Intranets : towards the wireless enterprise / Jessica Figueras ... [et. al.]
Wireless Internet business models : global perspective, regional focus / Eden Zoller...[et al.]
IP telephony : exploiting market opportunities / Peter Hall
O mercado das TMT's em Portugal / ed. Reportium XXI Consulting; coord. Rui Arnaldo Rosa Pires; colab. João Maria de Oliveira Martins