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Restu Agung, 2006
Buku Teks
Abdul Wahid, author
Refika Aditama, 2001
Buku Teks
Artikel Jurnal
Yon Suharyono, author
Universitas Indonesia, 1999
UI - Skripsi (Membership)
Muhammad Arif Setiawan, author
Universitas Indonesia, 1996
UI - Tesis (Membership)