Sinaga, Fiter Ubrin, author
Universitas Indonesia, 1996
UI - Skripsi (Membership)
Endang Iriawan, author
Universitas Indonesia, 2000
UI - Tesis (Membership)
Universitas Indonesia, 2002
UI - Skripsi (Membership)
Universitas Indonesia, 2003
UI - Skripsi (Membership)
Universitas Indonesia, 2004
UI - Skripsi (Membership)