1
Published 2019
transcript Verlag

2
by Weith, Thomas
Published 2021
Springer Nature

3
by Visvizi, Anna
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

4
by Rittmann, Günter
Published 2014
Nomos Verlagsgesellschaft mbH & Co. KG

5
by Heßler, Martina
Published 2020
Nomos Verlagsgesellschaft mbH & Co. KG