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D786D
           Dror, Yehezkel
               Design for policy sciences \ Yehezkel Dror - New York : American Elsevier Publishing, 1971.
               156p. - Policy science book series/ed by Yehezkel Dror .
                ISBN: 0-444-00105-0

79530
                Subjects: Policy sciences; Public administration-Government policy; Public administration-Decision making.