Wea, Klaudius Adriyanto Ligo, author
Universitas Indonesia, 2005
UI - Tesis (Membership)
Hutauruk, Ganda Hartati, author
Universitas Indonesia, 1983
UI - Skripsi (Membership)
Rini Hariani, author
Universitas Indonesia, 2004
UI - Tesis (Membership)
Simorangkir, Indra Jaya, author
Universitas Indonesia, 2006
UI - Tesis (Membership)
Hutagaol, Arifin Rusli, author
Universitas Indonesia, 2004
UI - Tesis (Membership)