21
by Bastin
Published 1966
22
by Anderson
Published 1989
23
by Bougas
Published 1988
24
25
26
27
28
Published 2003
29
by M. Irfan Mahmud
Published 2003
30
31
by Pintado
Published 1990
32
by Bahasa Othman
Published 1989
33
by Mohd. Dahlan Mansoer
Published 1976
34
by Mills
Published 1997
35
by Hoyt
Published 1993
36
by Liang Liji
Published 1996
37
38
39
40
by Daim Zainuddin, Tun
Published 2004