ISBNs beginnend mit 978-1-59229-xxx-xGerhard Oswald × SAP Service and SupportAn A-to-Z guide to optimizing ROI and TCOGerhard OswaldRheinwerk PublishingHardcover2003 SAP Service and Support Gerhard OswaldRheinwerk PublishingHardcover2005 SAP Service and Support Gerhard OswaldRheinwerk PublishingHardcover2006 SAP Enterprise SupportASAP to Run SAPGerhard OswaldRheinwerk PublishingHardcover200959,95 € SAP Enterprise SupportASAP to Run SAPGerhard OswaldRheinwerk PublishingHardcover2010 SAP Service and SupportInnovation and Continuous ImprovementGerhard OswaldRheinwerk PublishingHardcover2014
