1
by Abu-Fadl
Published 1992
2
by Sayeed
Published 1995
3
Published 1995
4
5
Published 1987
6
by Stromberg
Published 1990
7
8
by Youssef
Published 1985
9
by Esposito
Published 1992
10
11
12
13
14
15
16
by Harvie
Published 1994
17
by Anderson, Dr
Published 2003