1
2
Published: 2011.
3
Published: 2011.
4
5
6
Published: 2013
Free to read (incl. Open Access)
7
Published: 2008.
Superior document: Rand Corporation monograph series
8
Published: 2008.
Superior document: Rand Corporation monograph series
Links: Get full text
9
Published: 2010.
Superior document: Rand Corporation monograph series
10
Published: 2010.
Superior document: Rand Corporation monograph series
Links: Get full text