Processes and phenomena of social change

[by] Gerald Zaltman ... [et al.]
Bok · Engelsk · 1973

Utgitt	New York : J. Wiley , 1973
Omfang	XI, 463 s. : illus.
Emner	Diffusion of innovations - Addresses, essays, lectures Social change - Addresses, essays, lectures
ISBN	0471981303