Sompie, Glenn J., author
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UI - Skripsi (Membership)
Anwar Borahima, author
Kencana Prenada Media, 2010
Buku Teks
Artikel Jurnal
Yusuf Shofie, author
Citra Aditya Bakti, , 2011
Buku Teks
Giri Dwi Susanto, author
Universitas Indonesia, 1998
UI - Tesis (Membership)