1
2
by Basrur
Published 2008
3
by Jafarzadeh
Published 2007
4
by Porter
Published 1984
5
by Cordesman
Published 1988
6
by Cordesman
Published 1993
7
Published 2007
8
Published 2014
9
by Khaled Fahmy
Published 2008
10
11
by Allenby
Published 2015
12
Published 2014
13
by Hartle
Published 2004
14
15
by S.K. Malik
Published 1986
16
by Green
Published 1988
17
by Payne
18
by Briggs
Published 1990
19
20
by Heller
Published 1984