1
Published 1945
2
by Hoekman, Bernard M, 1959-
Published 1995
3
by Hoekman, Bernard M, 1959-
Published 2001
4
by Das, Bhagirath Lal
Published 1998
5
Published 1990
6
by Hoekman, Bernard M, 1959-
Published 1995
7
by Khor Kok Peng, Martin
Published 1990
8
Published 1991