Tambunan, Erwin Immanuell, author
1987
UI - Skripsi (Membership)
Asih Wijayanti, author
1998
UI - Tesis (Membership)
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1992
UI - Skripsi (Membership)
Mayana Budi Utami, author
1991
UI - Skripsi (Membership)
Sarwiati Widyasmita, author
1988
UI - Skripsi (Membership)