1
by Zech, Rainer
Published 2015
Springer Fachmedien Wiesbaden

2
by Zech, Rainer
Published 2019
Springer Fachmedien Wiesbaden

3
by Arlt, Hans-Jürgen, Zech, Rainer
Published 2015
Springer Fachmedien Wiesbaden

4
by Zech, Rainer, Dehn, Claudia, Tödt, Katia, Rädiker, Stefan
Published 2010
VS Verlag für Sozialwissenschaften