1
by Norman Mansor
Published 1987
2
Published 1987
3
Published 1988
4
by Zurinah Hassan
Published 1994
5
6
by Wegelin, Emiel A.
Published 1978
7
by Mohd Khairuddin Hashim
Published 2002
8
Published 2001
9
Published 2001
10
by Prof M.R. Zafer
Published 1994
11
by Low Chee Keong
Published 1997
12
by Shanthy Rachagan
Published 2002
13
by Holttum, R. E.
Published 2002
14
by W. H. Lim
Published 1998
15
Published 2000
16
by Akhmal Hj. Mohd Zain
Published 1984
17
Published 1966
18
by FoX Worthy, F.W
Published 1927
19
Published 1966
20
by Hooker, M. B.
Published 1972