00670nam0 2200241 i 450 IEI006199620251003044157.019921204d1962 ||||0itac50 baengusz01i xxxe z01nz01ncRDAcarrierDiffusion of innovationsEverett M. RogersNew YorkFree press1962XIII, 367 p.22 cm303.4CAMBIAMENTO SOCIALE20Rogers, Everett M.MILV020113070108298ITIT-00000019921204IEI0061996 01Diffusion of innovations68881UNISANNIO