1
2
by Cleveland
Published 1985
3
Published 2004
4
5
6
7
by Jackson
8
by Simpson
Published 2006
9
by Al-Qardhawi
Published 1999
10
by Nadwi
Published 1976
11
by Vikor
Published 1995
12
13
by Raymer
Published 2001
14
Published 1980
15
Published 1991
16
by Qureshi
Published 1992
17
by Pipes
Published 2002
18
by Douglas
Published 1993
19
by Nasr
Published 1996
20
by Atiqul Haque
Published 2005