1
by Heßler, Martina
Published 2020
Nomos Verlagsgesellschaft mbH & Co. KG

2
by Friedrich, Alexander
Published 2019
Nomos Verlagsgesellschaft mbH & Co. KG

3
by Rittmann, Günter
Published 2014
Nomos Verlagsgesellschaft mbH & Co. KG

4
by Fernández-Manjarrés, Juan F.
Published 2022
MDPI - Multidisciplinary Digital Publishing Institute

5
by Chigbu, Uchendu Eugene
Published 2022
MDPI - Multidisciplinary Digital Publishing Institute