On purposeful systems
Ackoff, Russell Lincoln,
On purposeful systems [by] Russell L. Ackoff and Fred E. Emery. - Chicago Aldine-Atherton [1972] - xii, 288 p. illus. 25 cm.
Includes bibliographies.
0202370003
78075980 //r88
Social systems
Social sciences--Methodology.
H61 / .A38
300/.1/82
On purposeful systems [by] Russell L. Ackoff and Fred E. Emery. - Chicago Aldine-Atherton [1972] - xii, 288 p. illus. 25 cm.
Includes bibliographies.
0202370003
78075980 //r88
Social systems
Social sciences--Methodology.
H61 / .A38
300/.1/82