Sangab Barus, author
1984
UI - Tesis Membership
Barus, Sangab, author
Universitas Indonesia, 1984
UI - Skripsi Membership
Lia Nurliana, author
Universitas Indonesia, 2010
UI - Tesis Open
Sibarani, James, author
Universitas Indonesia, 1996
UI - Skripsi Membership
Sanny Suprihono, author
Fakultas Teknik Universitas Indonesia, 1996
UI - Skripsi Membership