Trends in telecommunication reform 2002 : effective regulation / International Telecommunication Union
Trends in telecommunication reform 2003 : promoting universal access to ICTs: practical tools for regulators / International Telecommunication Union
Trends in telecommunication reform 2010/11 [documento electrónico] : enabling tomorrow's digital world / International Telecommunication Union
Trends in telecommunication reform 2012 : smart regulation for broadband world / International Telecommunication Union