Gestão dos serviços : a avaliação da qualidade / Sofia Salgado Pinto
Special OPS : host and network security for microsoft, UNIX, and Oracle / Erik Pace Birkholz
Postal and delivery services : pricing, productivity, regulation and strategy / ed. Michael A. Crew and Paul R. Kleindorfer
Droit européen comparé d'Internet : XVe congrés international de droit