1
Published 1989
2
Published 2003
3
4
by Yap, Siang Yong
Published 1995
5
Published 2002
6
by Coates, Austin.
Published 1987
7
by Tan, Ju Kuang
Published 2001
8
9
Published 1986
10
by Crowther, Geoff.
Published 1988
11
12
Published 1995
13
Published 2003
14
15
Published 1990
16
by Savage, Victor R.
Published 2003
17
by Chew, Yen Fook
Published 2000
18
19
Published 1994
20