1
Published 2008
2
by Besant
Published 1908
3
Published 2016
4
5
by Sorensen
Published 1992
6
by Buzan
Published 1993
7
by De Bono, 1933-
Published 1990
8
by De Bono
Published 1991
9
by Garnham
Published 1994
10
by De Bono
Published 1999
11
by De Bono
Published 1986
12
by De Bono, 1933-
Published 1993
13
by Netton
Published 1996
14
by Searle
Published 1984
15
by Abd Fatah Hassan
Published 1994
16
by Ainon Mohd
Published 1995
17
by Chaffee
Published 1994
18
by Ruggiero
Published 2009
19
by قطب
Published 1993
20
by قطب
Published 1993