1
by Taylor, Allen G.
Published 2009
Wiley-Vch

8
Published 2017
OECD Publishing

10
by Büsch, Johann Georg
Published 1784
C.E. Bohn

11
by Worel, Peter A.
Published 2011
Wiley-VCH

12
by Sammer, Petra, Heppel, Ulrike
Published 2015
Dpunkt.verlag

13
by Reimold, Tobias
Published 2010
Mohr Siebeck

15
by Berkun, Scott
Published 2009
O'Reilly Verlag

16
by Hoppe, Michael H.
Published 2018
Center for Creative Leadership

18
by Dräther, Rolf
Published 2014
O'Reilly Verlag

19
Published 2002
OECD Publishing

20
by Love, Patrick
Published 2009
OECD Publishing