21
by Toman, Michael A.
Published 2008
RAND Corp.

22
by Downs, Erica Strecker
Published 2000
Rand

25
by Ikenberry, G. John
Published 1988
Cornell University Press

27
Published 2017
Appalachian State University

28
Published 2017
Appalachian State University

29
by Zeng, Ka
Published 2011
University of Michigan Press

30
by Graulich, Melody
Published 2005
Utah State University Press Logan

31
by Lundsgaarde, Henry Peder
Published 1974
University Press of Hawaii

32
Published 2015
Open Book Publishers

33
by Worboys, Graeme L.
Published 2019
ANU Press

34
by Lewis, Henry T.
Published 1991
University of Hawaii Press

35
by Crane, Keith
Published 2012
RAND

36
by Ries, Charles
Published 2009
RAND

38
Published 2016
ANU Press

40
by Ortiz, David
Published 2011
Rand