2
by Henry, Ryan, Osowski, Christine, Chalk, Peter, Bartis, James T.
Published 2012
Rand Corporation

3
by Groves, David G., Bloom, Evan
Published 2013
RAND

7
by Johnson, Stuart E.
Published 2012
RAND

8
by Coopersmith, Jonathan
Published 2016
Cornell University Press

9
by Gonzalez, Gabriella
Published 2015
RAND Corporation

10
Published 2017
Appalachian State University

11
Published 2017
Appalachian State University

12
Published 2016
ANU Press

13
by Lachman, Beth E.
Published 2016
RAND

14
by McCarthy, Kevin F.
Published 2007
Rand Corp.

15
by Toman, Michael A.
Published 2008
RAND Corp.

16
by Toman, Michael A.
Published 2008
RAND Corp.

17
by Ortiz, David
Published 2003
RAND

18
by Bernstein, Mark
Published 2003
Rand

19
by Samaras, Constantine
Published 2011
RAND

20
by Downs, Erica Strecker
Published 2000
Rand