1
by Breiteig, T.
Published 1993
2
Published 2011
3
by Chai, Mun.
Published 2011
4
5
6
by Barnett, Raymond.
Published 1994
7
by Daintith, John.
Published 1989
8
by Abell, Martha L.
Published 1992
9
by Khor, Seng Chye.
Published 2004
10
Published 2003
11
Published 2003
12
by Pumadevi
Published 2008
13
by See, B. H.
Published 2007
14
Published 2009
15
Published 2011
16
Published 2010
17
Published 2007
18
Published 2011
19
by Soon, Chin Loong
Published 2005
20
Published 2011