Dery, David Problem definition in policy analysis // David Dery ; foreword by Aaron Wildavsky - Lawrence, Kan. : : University Press of Kansas,, c1984 - xiv, 145 p. ;; 24 cm. - Studies in government and public policy . Includes index Bibliography: p. 123-137 ISBN: 0700602615 : USD 19.95 Subjects--Topical Terms: Policy sciences Dewey Class. No.: 361.61