Pius Sugeng Prasetyo, author
1994
UI - Tesis (Membership)
Hutagaol, John, author
Salemba Empat, 2000
Buku Teks
Liffia Ramertha Effif, author
2013
UI - Tesis (Membership)
Artikel Jurnal
Kamakaula, Yohanes, author
Program Pascasarjana Universitas Indonesia, 2004
UI - Tesis (Membership)