1
by Tarling, Nicholas
Published 1971
2
by M. Abu Bakar.
Published 1983
3
4
Published 1980
5
by Bohannon, Lisa Frederiksen
Published 2004
6
by Binson A. Sabiah
Published 2004
7
by Hubbard, James M.
Published 1900
8
by Liu, Zi Zheng
Published 2001
9
by Hall, Maxwell
Published 1956
10
by Glick, Henry Robert.
Published 1965
11
by Keith, Agnes Newton
Published 1998
12
Published 1990
13
by Richardson, Hal.
Published 1957
14
by Mullen, Vernon.
Published 1960
15
16
Published 1958
17
18
by Muhiddin Yusin.
Published 1982
19
20
by Lee, Yong Leng
Published 1961