Portugal (country regulation overview) [documento eletrónico] / Sravan Kumar Koka
Fixed and Mobile Networks [documento eletrónico] : substitution, complementary and convergence / prep. Rudolf van der Berg, Jaesung Song
New revenue opportunities in telecoms [documento eletrónico] : 2013–16 / John Lively
OECD PSTN voice & leased line price benchmarking [recurso eletrónico] / ed. Teligen - Strategy Analytics