Berridge, G. R, author
Palgrave Macmillan, 2015
Buku Teks
Lanyi, George A.
Random House , 1966
Buku Teks
D`Anieri, Paul, author
Wadsworth and Cengage Learning, 2012
Buku Teks
Grunig, Rudolf, author
[Springer, Springer], 2012
eBooks
Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM), Institut Teknologi Sepuluh Nopember, 2011
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