Silalahi, Jetro, author
Universitas Indonesia, 1986
UI - Skripsi (Membership)
Universitas Indonesia, 1992
UI - Skripsi (Membership)
Donni Taufiq, author
Universitas Indonesia, 2009
UI - Skripsi (Open)
Julianti Tri Astuti, author
1989
UI - Skripsi (Membership)
Indra Kartika Aribasah, author
Universitas Indonesia, 1986
UI - Skripsi (Membership)