1
by Khoo, Kheng-Hor, 1956-
Published 1998
2
by Khoo, Kheng-Hor.
Published 2009
3
by Khoo, Kheng-Hor, 1956-
Published 2004
4
by Khoo, Kheng-Hor, 1956-
Published 1995
5
by Khoo, Kheng-Hor, 1956-
Published 2006
6
7
Published 1994
Other Authors: ...Khoo, Kheng-Hor( 1956-)...