1
2
by Nurfazlina Mariaty.
Published 1996
3
Published 2003
4
5
Published 1991
6
Published 1998
7
by Mohd. Nor Ngah.
Published 1990
8
by Apter, David E
Published 1993
9
Published 1994
10
by Mohd. Johdi Salleh.
Published 1990
11
Published 2004
12
by Effendy, Tenas
Published 2005
13
by Abdul Jalil Othman.
Published 1993
14
Published 1980
15
Published 1986
16
by Mohd. Isa Othman
Published 2001
17
Published 2006
18
19
by Awang Sariyan
Published 1989
20
by Alias Abdullah.
Published 1998