1
by Booher
Published 1991
2
3
by Aminuddin Mohd. Yusof
Published 1990
4
by Hadari Nawawi
Published 1993
5
by Ahiakpor
Published 1990
6
by Mahathir Mohamad
Published 1999
7
by سالمان
Published 1992
8
9
Published 1988
10
Published 1989
11
by Gummesson
Published 1991
12
by Cook
Published 1994
13
Published 1991
14
by Brynt
Published 1989
15
by Francks
Published 1992
16
Published 1990
17
18
by Cooper
Published 2003
19
by Briner
Published 1990
20