1
by Boes, Andreas, Gül, Katrin
Published 2006
Nomos Verlagsgesellschaft mbH & Co. KG

2
by Boes, Andreas
Published 2020
Haufe-Lexware GmbH & Co. KG
Other Authors: ...Gül, Katrin...

3
Published 2016
Springer Fachmedien Wiesbaden
Other Authors: ...Gül, Katrin...