00656pamaa2200205 4500 0000042343 20070801090000.0 070801 eng 0743222091 (pbk.) HM621 ROG 2003 Rogers Diffusion of innovations Everett M. Rogers. 5th ed. New York: Free Press, 2003. xxi, 551 p.: ill.\c24 cm. Includes bibliographical references (p. 477-535) and indexes Diffusion of innovations Diffusion of innovations -- Study and teaching -- History http://www.simonsays.com