21
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Published 1999
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by Minas, Graça
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

25
by Omicini, Andrea
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

29
by Pavoni, Andrea
Published 2020
University of Westminster Press

30
by Dobek-Ostrowska, Boguslawa
Published 2019
Peter Lang International Academic Publishing Group

31
by Titi, Catharine
Published 2021
Springer Nature

38
by Monopolkommission,
Published 2021
Nomos Verlagsgesellschaft mbH & Co. KG

39
by Müller, Michael F.
Published 2021
Nomos Verlagsgesellschaft mbH & Co. KG