21
22
by Ohmae, Kenichi
Published 1982
23
by Kaplan, Robert S.
Published 2006
24
Published 1984
25
26
27
by Wassermann, Otto
Published 2001
28
29
by Sayles, Leornard R.
Published 1993
30
by Davenport, Thomas H.,1954-
Published 1998
31
Published 2000
32
33
by Saltzman, Joel
Published 2006
34
by Maxwell, John C, 1947
Published 2008
35
36
37
by Hammer, Michael
Published 1994
38
by Harvey-Jones, John, 1924-2008.
Published 1993
39
by Wolfe, Rebecca Luhn.
Published 1996
40