1
by Varna
Published 1974
2
by Gan
Published 1998
3
by Abdullah Ahmad
Published 1984
4
Published 2002
5
by Mohd. Noor Yazid
Published 2000
6
7
by Abdullah Dahana
Published 2002
8
by Grenville
Published 1974
9
10
by Pettman
Published 1976
11
by Holsti
Published 1977
12
13
by Murugesu Pathmanathan
Published 1985
14
Published 1964
15
16
17
by Rajendran, M
Published 1986
18
by Stargardt
Published 1972
19
20
by Boyce
Published 1968