Hovland, Carl I
Yale University Press , 1966
Buku Teks
Roos, Raymon S., author
Prentice-Hall, 1985
Buku Teks
Bormann, Ernest G., author
Erlangga, 1991
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Andrew Ariobimo, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Tesis (Membership)
Axelrod, Alan, author
American Management Association, 2007
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