1
by Chandra Muzaffar, 1947-
Published 1993
2
by Agathangelou, Anna M.
Published 2009
3
Published 1994
4
by Lieshout, Robert H.
Published 1995
5
by Holsti, Ole R.
Published 1972
6
by Frankel, Joseph
Published 1963
7
by Renouvin, Pierre
Published 1968
8
9
Published 1996
10
11
by Vasquez, John A
Published 2003
12
Published 1992
13
by Ward, Robert E.
Published 1964
14
Published 2002
15
Published 1995
16
by Nayak, Meghana.
Published 2010
17
by Griffiths, Martin.
Published 2010
18
19
Published 1977
20
by Frankel, Joseph
Published 1973