000 00275nam a2200097 4500
245 _aDiffusion of innovations
_cby Everett M. Rogers.
100 _aRogers, Everett M.
260 _aNew York
_bFree Press
_cc1983
300 _axix,453p.:ill.,tawbles;23cm.
082 _a301.242
_bROG
999 _c42030
_d42030