Opy Sofia Husein, author
Universitas Indonesia, 1991
UI - Skripsi Membership
Universitas Indonesia, 1996
UI - Skripsi Membership
Silaban, Michel P. R., author
Universitas Indonesia, 2009
UI - Skripsi Open
Teuku Antoni Reza, author
Universitas Indonesia, 2005
UI - Tesis Membership
Sully Handayani, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1990
UI - Skripsi Membership