1
2
3
by De Bono, Edward, 1933-
Published 1977
4
by Buzan, Tony.
Published 1995
5
by Buzan, Tony.
Published 1995
6
by Ainon Mohd
Published 1996
7
by Mohd Nashuha Jamidin
Published 1995
8
by Ainon Mohd
Published 1996
9
10
Published 1968
11
by De Bono, Edward, 1933-
Published 1995
12
13