Postal regulatory service [recurso eletrónico] / Cullen International
Reforming the postal sector in the face of electronic competition / ed. by Michael A. Crew and Paul R. Kleindorfer
Achieving high performance in the postal industry [documento eletrónico] : Accenture research and insights 2013 / Brody Buhler, Andre Pharand, Vineet Narang
Main developments in the postal sector (2010-2013) [documento eletrónico] : final report / Alex Kalevi Dieke...[et al.]
Annual report 2012 [documento eletrónico] / Swiss Post
Statistique des services postaux 2012 / Union Postale Universelle
CRC - Annual report 2013 : analysys of the postal service market 2013 / Communications Regulation Comission