1
by van Ackeren, Isabell, Klemm, Klaus, Kühn, Svenja Mareike
Published 2015
Springer Fachmedien Wiesbaden
Subjects: '; ...School management and organization...

2
by Kühn, Svenja Mareike
Published 2010
VS Verlag für Sozialwissenschaften
Subjects: '; ...School management and organization...