1
2
by Tylecote
Published 1991
3
by Goodrich
Published 2010
4
Published 1990
5
by Drucker, 1909-
Published 1993
6
by LaRouche
Published 1983
7
by Macmillan
Published 1991
8
by Brett
Published 1985
9
10
by Freeman
Published 1991
11
12
by Rogers
Published 1990
13
14
15
by Wallerstein
Published 1974
16
by Wallerstein
Published 1974
17
by Frank
Published 1981
18
by Castells
Published 2000
19
by Mingione
Published 1991
20