Gong ying lian guan li yu SAP xi tong shi xian =Gerhard Knolmayer · First published 2004Open the Tome
Supply chain management based on SAP systemsGerhard Knolmayer, Peter Mertens, Alexander Zeier · First published 2002Open the Tome
Programmierungsmodelle für die ProduktionsprogrammplanungGerhard Knolmayer · First published 1980Open the Tome
