2
by Pettyjohn, Stacie L.
Published 2012
RAND

3
by Chivvis, Christopher S.
Published 2010
RAND

5
by McNerney, Michael J.
Published 2016
RAND

6
by Pernin, Christopher G.
Published 2008
RAND Corp.

7
by Gonzalez, Gabriella
Published 2015
RAND Corporation

9
by Gordon, John, Matsumura, John
Published 2013
RAND Corporation

10
by Oak, Gillian S.
Published 2015
RAND Corporation

11
by Brown, Ryan Andrew
Published 2014
RAND

12
by Benard, Cheryl
Published 2011
RAND

16
by Shlapak, David A., Johnson, Michael
Published 2016
RAND Corporation

17
by Rabasa, Angel
Published 2007
Rand Corp.

18

19

20
by Binnendijk, Hans
Published 2016
RAND