Ackoff, Russell Lincoln, 1919- The art of problem solving : accompanied by Ackoff's fables / Russell L. Ackoff ; ill. by: Karen B. Ackoff. - New York : Wiley, c1978. - x, 214 p. : ill. ; 24 cm. Includes index. Bibliography: p. [207]-208. ISBN: 0471042897 LCCN: 78005627 Subjects--Topical Terms: Problem solving.Problem çözme. LC Class. No.: HD30.29 / .A25 Dewey Class. No.: 658.4 / ACK 1978