1
Argitaratua: 2014.
2
3
4
5
Argitaratua: 2010.
Superior document: Occasional paper ; OP-306-LFCMP
6
Argitaratua: 2010.
Superior document: Occasional paper ; OP-306-LFCMP
7
Argitaratua: 2006.
8
Argitaratua: 2008.
Superior document: Rand Corporation monograph series
9
Argitaratua: 2000.
Superior document: MR / Rand Corporation ; MR-1195-HIMA
Links: Testu osoa
10
Argitaratua: 2003.
Links: Testu osoa
11
Argitaratua: 2006.
Links: Testu osoa
12
Argitaratua: 2008.
Superior document: Rand Corporation monograph series
Links: Testu osoa
13
Argitaratua: 2003.