Hutapea, Welton, author
1998
UI - Skripsi (Membership)
Sibarani, Humisar, author
Fakultas Teknik Universitas Indonesia, 1993
UI - Skripsi (Membership)
Andrew Bain, author
1999
UI - Tesis (Membership)
Andrew Bain, author
1999
UI - Skripsi (Membership)
Ridwan, author
Fakultas Teknik Universitas Indonesia, 2001
UI - Tesis (Membership)