Elements of telecommunications economics
Littlechild,S C
Elements of telecommunications economics - London Institution of electrical engineers 1979 - xiii,268p. - Institution of electrical engineers telecommunications series 7 .
0906048176
telecommunication system economics
621.39:330 / LIT
Elements of telecommunications economics - London Institution of electrical engineers 1979 - xiii,268p. - Institution of electrical engineers telecommunications series 7 .
0906048176
telecommunication system economics
621.39:330 / LIT