1
2
by Gullick, J. M, 1916-
Published 1986
3
by Yong, C. F.
Published 1990
4
by Kadian, Rajesh
Published 1993
5
by Trocki, Carl A.
Published 2006
6
Published 1991
7
8
by Masselos, Jim
Published 1991
9
by Vakil F. D.
Published 1990
10
by Cordesman, Anthony H.
Published 1997
11
12
by Selo, Soemardjan
Published 1988
13
Published 1992
14
15
by Beal, Tim.
Published 2005
16
Published 1993
17
Published 2000
18
by Josey, Alex
Published 1968
19
by Chaves Frias, Hugo
Published 2003
20
by Stavrinides, Zenon
Published 1976