Artikel Jurnal
Asyari, author
Universitas Indonesia, 2001
UI - Tesis (Membership)
Tambun, Saul M. Pardamean, author
Universitas Indonesia, 1998
UI - Tesis (Membership)
Universitas Indonesia, 1993
UI - Skripsi (Membership)
Universitas Indonesia, 2004
UI - Skripsi (Membership)