1
2
Published 1997
3
4
5
by Carin, Arthur A
Published 1989
6
7
by Adams, Dennis M
Published 2008
8
9
Published 2010
10
by Tajulripin Sulaiman
Published 2004
11
by Bin, Zi
Published 2004
12
13
by Poh Swee Hiang
Published 2001
14
by Poh Swee Hiang
Published 2001
15
by Poh Swee Hiang
Published 2003
16
17
Published 2002
18
by Poh Swee Hiang
Published 2003
19
by Otto, Shawn Lawrence
Published 2011
20