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303.484
ROG/D     Rogers, Everett M.

               Diffusion of innovations / / Everett M. Rogers. . - 5th ed. . - New York : London : : Free Press ;: Collier Macmillan,,2003 . . - xxi, 551 p. : :ill., fig. ; ;25 cm.

               Includes bibliographical references and index.

               ISBN: 9780743222099 0743222091