1
by Gaio, Ana
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

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

3
by Heßler, Martina
Published 2020
Nomos Verlagsgesellschaft mbH & Co. KG

6
by Schmiede, Rudi
Published 2015
Nomos Verlagsgesellschaft mbH & Co. KG

8
by Fernández-Manjarrés, Juan F.
Published 2022
MDPI - Multidisciplinary Digital Publishing Institute

9
by Chigbu, Uchendu Eugene
Published 2022
MDPI - Multidisciplinary Digital Publishing Institute

10
by Luo, Suhuai
Published 2022
MDPI Books