1
Published 2002
2
by Mustafa Osman Ismail
Published 2003
3
Published 2000
4
by Halliday, Fred
Published 1996
5
by Esposito, John L.
Published 1996
6
by Esposito, John L.
Published 1995
7
by Saheed Suhail, Dr.
Published 2010