Siregar, Sutji Rochani D., author
1991
UI - Tesis (Membership)
Sujudi
Universitas Indonesia. Lembaga Penelitian, 1986
UI - Laporan Penelitian
Dyah Siswanti E
1991
UI - Tesis (Membership)
Wirzon. B
1990
UI - Tesis (Membership)
Teddy Kaleb Edward Wanane
Universitas Indonesia, 1997
UI - Tesis (Membership)