ITIL V3 Foundation ExamJan van Bon, Arjen de Jong, Axel Kolthof, Mike Pieper, Ruby Tjassing, Annelies van der Veen, Tieneke Verheijen · First published 2010Open the Tome
It Service Management Basierend Auf Itil V3 Das TaschenbuchTieneke Verheijen · First published 2007Open the Tome
Metrics for IT Service ManagementDavid Brooks - undifferentiated, Jan van Bon, Tieneke Verheijen · First published 2006Open the Tome
