21
by Foltea, Marina
Published 2020
Springer Nature

24
by von Braun, Joachim
Published 2021
Springer Nature

25
by Titi, Catharine
Published 2021
Springer Nature

26
by European Investment Bank
Published 2020
European Investment Bank

27
by Schlittler, Anna-Brigitte
Published 2021
transcript Verlag

28
by Richter, Carola
Published 2021
Open Book Publishers

29
by Ehmann, Sandra
Published 1999
Peter Lang International Academic Publishing Group

30
by Bilotta, Nicola
Published 2021
Peter Lang International Academic Publishing Group

31
by Preuß, Holger
Published 2019
Springer Nature

35
by Polyzos, Serafeim
Published 2012
IntechOpen

39
by European Investment Bank
Published 2020
European Investment Bank

40
by Castle, Jennifer L.
Published 2019
Springer Nature