Muhammad Findi A., author
2001
UI - Tesis (Membership)
Danu Bekti Robi`u, author
1999
UI - Tesis (Membership)
Siregar, Maya I., author
1989
UI - Skripsi (Membership)
Universitas Indonesia, 2007
UI - Skripsi (Membership)
Rinsema, W.T., author
Bhratara, 1993
Buku Teks