1
Published 1998
2
by MacLachlan, Colin M.
Published 1994
3
by Kayy?al?i,  ĽAbd al-Wahh?ab.
Published 1978
4
by Ibrahim Syukri
Published 2005
5
by Syed Husin Ali, 1936-
Published 2017
6
7
by Baker
Published 1979
8