Sipayung, Paulus J. J., author
1994
UI - Tesis (Membership)
Husain Achmad, author
1984
UI - Tesis (Membership)
Artikel Jurnal
Eva Zulfani Achya, author
2005
Artikel Jurnal
Andari Yurikosari, author
Universitas Indonesia, 2010
UI - Disertasi (Membership)