1
2
by Siwach, J. R.
Published 1990
3
by Samarin, Viktor
Published 1988
4
5
by Ahmad Bagig
Published 1991
6
by Cotterell, Arthur
Published 1993
7
by Wang, Gungwu, 1930-
Published 1992
8
by Harun Abdul Majid
Published 2007
9
Published 1989