1
by Rashid
Published 1994
2
by Gordon
Published 1989
3
by Kashani Sabet
Published 1999
4
5
by Abdullah al-Ahsan
Published 1992
6
by Mansour
Published 1992
7
by Iriye
Published 1967
8
Published 1969
9
by Tauber
Published 1993
10
by Tauber
Published 1993
11
by Kramer
Published 1996
12
by Hill
Published 1995
13
by Yoshino
Published 1992
14
by Bringa
Published 1995
15
by Sprinzak
Published 1991
16
by Brown
Published 1989
17
Published 1991
18
19
by Al-Ahsan
Published 1992
20
by Cheah
Published 2002