1
by Abu-Fadl
Published 1992
2
Published 2006
3
Published 2006
4
by Sayeed
Published 1995
5
Published 1998
6
7
by Hunter
Published 1998
8
by Youssef
Published 1985
9
by Esposito
Published 1992
10
11
12
13
14
15
by Quinn
Published 2008
16
by Elmarsafy
Published 2009