1
Published 1999
2
Published 1994
3
Published 1998
4
5
Published 2000
6
Published 2000
7
by Carr, Indira.
Published 1993
8
by Khor, Martin Kok Peng
Published 1990
9
10
by Neipert, David M.
Published 2002
11
by Das, Bhagirath Lal
Published 1998
12
13
by Oxley, Alan, 1946-
Published 1990
14
by Jackson, John H, 1932-
Published 2000
15
by Chuah, Jason C. T.
Published 2009
16
Published 1999
17
Published 1998
18
Published 1984
19
Published 2020
20
Published 1994