Competition and innovation in postal services / ed. by Michael A. Crew, Paul R. Kleindorfer
Regulation and the nature of postal and delivery services / ed. by Michael A. Crew and Paul R. Kleindorfer
Privatizing telecommunications systems : business opportunities in developing countries / William W. Ambrose, Paul R. Hennemeyer, Jean-Paul Chapon
Da injunção / Helder Martins Leitão