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Buku Teks
edited by Thomas H. Stanton, Douglas W. Webster
Wiley , 2014
Buku Teks
Information , 1983
Buku Referensi
Nur Azifah, author
2015
UI - Tesis (Membership)
Muh Kadarisman, author
Faculty of Social and Political Sciences, Universitas Muhammadiyah Jakarta, 2012
Artikel Jurnal