1
by O'Donnell, Aoife
Published 2023
Routledge

2
by Sammer, Petra, Heppel, Ulrike
Published 2015
Dpunkt.verlag

4
by Dilenschneider, Robert L.
Published 2010
AMACOM

5
by Moseley, Matthew L.
Published 2021
Productivity Press

6
by Clarke-Epstein, Chris
Published 2002
AMACOM

8

9
by Mahoney, James Scott
Published 2023
Routledge

10
by Foster, Chris
Published 2016
Wiley

11
by Zelazny, Gene
Published 2001
McGraw-Hill

12
by Kador, John
Published 2009
Berrett-Koehler Pub.

13
by Butow, Eric
Published 2010
Que Pub.

14
by Butow, Eric
Published 2013
Que