Diffusion of Innovations
Rogers, Everett M. ,
Diffusion of Innovations Textual Documents Everett M. Rogers - New York: Free Press of Glencoe, 1962. - 367.
Social processes
303.484
Diffusion of Innovations Textual Documents Everett M. Rogers - New York: Free Press of Glencoe, 1962. - 367.
Social processes
303.484