1
by Chang, Tze Hin
Published 2016
2
by Yoong, Kwee Soon
Published 2007
3
4
5
by Sim, Kwang Yaw
Published 2011
6
7
by Chang, Tze Hin.
Published 1995
8
9
Published 2007
10
11
Published 2010
12
13
14
15
16
Published 2009
17
by Chang, Tze Hin, Ng, S. H., Chong, An Nam
Published 2018
18
19
20
by Chang, Tze Hin
Published 2020