41
Published 2014
Federal Office for Social Security

42
Published 2012
Federal Office of Public Health

43
Published 2017
OECD Publishing

44
Published 2017
OECD Publishing

45
Published 2017
OECD Publishing
Cover Image

46
by Böhnisch, Lothar
Published 2016
transcript Verlag
Cover Image

47
by Freier, Carolin
Published 2016
transcript Verlag
Cover Image

48
by Leisering, Lutz
Published 2006
transcript Verlag
Cover Image

49
Published 2010
transcript Verlag
Cover Image

50
by Lorenz, Stephan
Published 2012
transcript Verlag

51
Published 2013
German Youth Institute

52
by Brussig, Martin
Published 2016
transcript Verlag

53
by Knöpfel, Carlo
Published 2018
Seismo

54
by Dopheide, Christian
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

55
by Altmeppen, Klaus-Dieter
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

56
by Kongress der Sozialwirtschaft e.V.,
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

57
by Heinze, Rolf G.
Published 2018
Nomos Verlagsgesellschaft mbH & Co. KG

58
by Jungbauer, Johannes
Published 2013
Verlag Barbara Budrich

59
by Ihring, Isabelle
Published 2015
Budrich UniPress Ltd.