41
Published 2012
Federal Office of Public Health

42
Published 2017
OECD Publishing

43
Published 2017
OECD Publishing

44
Published 2013
OECD Publishing

45
Published 2015
OECD Publishing

46
Published 2016
OECD Publishing

47
by Geyer, Christian
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

48
by Kapust, Antje
Published 2004
Fink

49
by Heinze, Rolf G.
Published 2018
Nomos Verlagsgesellschaft mbH & Co. KG

50
by Polenske, Udo G.
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

51
by Kongress der Sozialwirtschaft e.V.,
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

52
by Sowa, Frank
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

53
by Dopheide, Christian
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

54
by Altmeppen, Klaus-Dieter
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

55
by Jungbauer, Johannes
Published 2013
Verlag Barbara Budrich

56
by Ihring, Isabelle
Published 2015
Budrich UniPress Ltd.

57
by Liebig, Thomas
Published 2018
OECD Publishing

58
by Knöpfel, Carlo
Published 2018
Seismo

59
by Brussig, Martin
Published 2016
transcript Verlag