3
by Andrae, Jannis
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

8
by Roma, Paolo
Published 2022
MDPI - Multidisciplinary Digital Publishing Institute

11
by Whitcomb, Cliff
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

12
by Ezeanya-Esiobu, Chika
Published 2019
Springer Nature

15
by Bruns, Werner, Bruns, Petra
Published 2018
Nomos Verlagsgesellschaft mbH & Co. KG

17
by Chemi, Tatiana
Published 2015
Peter Lang International Academic Publishing Group

19
by Heßler, Martina
Published 2020
Nomos Verlagsgesellschaft mbH & Co. KG