1
by Rittmann, Günter
Published 2014
Nomos Verlagsgesellschaft mbH & Co. KG

2
by Pütter, Judith Maja
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

3
Published 2015
OECD Publishing

4
Published 2015
OECD Publishing

5
Published 2017
OECD Publishing

6
Published 2011
OECD Publishing

7
by Breyer-Mayländer, Thomas
Published 2018
Nomos Verlagsgesellschaft mbH & Co. KG

8
by Richter, Carola
Published 2021
Open Book Publishers

9
by Hollstein, Betina
Published 2021
De Gruyter