1
by Anwar Ibrahim, 1947-
Published 1989
2
by Zubir Hj. Yahya
Published 2008
3
by Khalid Salleh, 1948-
Published 2011
4
by Malik Bennabi
Published 2005
5
by Muhammad Abdul Rauf
Published 1994
6
by Mardin,Serif
Published 2017