4
Published 2016
ATD Press

5
by Gustavson, Paul
Published 2014
American Management Association

7
by Lindgren, Lisa
Published 2001
Auerbach

8
by Leblanc, Patrick
Published 2015
John Wiley & Sons, Inc.

14
by Sierra, Kathy
Published 2015
O'Reilly Media

15
by Niven, Paul R.
Published 2014
Wiley

16
by Janove, Jathan
Published 2017
AMACOM

18
by Scudder, Tim
Published 2012
Jossey-Bass, a Wiley Imprint

19
by Radoff, Jon
Published 2011
Wiley Pub.