Trends in telecommunication reform 2004/05 : licensing in an era of convergence / International Telecommunication Union
Trends in telecommunication reform 2010/11 [documento electrónico] : enabling tomorrow's digital world / International Telecommunication Union
Trends in telecommunication reform 2013 [documento eletrónico] : transnational aspects of regulation in a networked society / International Telecommunication Union
Trends in telecommunications reform 2015 : getting ready for the digital economy / International Telecommunication Union