Statistique des services postaux 2012 / Union Postale Universelle
Main developments in the postal sector (2010-2013) [documento eletrónico] : final report / Alex Kalevi Dieke...[et al.]
Reforming the postal sector in the face of electronic competition / ed. by Michael A. Crew and Paul R. Kleindorfer
Postal regulatory service [recurso eletrónico] / Cullen International