Universitas Indonesia, 1991
UI - Skripsi (Membership)
Universitas Indonesia, 2004
UI - Skripsi (Membership)
Universitas Indonesia, 1992
UI - Skripsi (Membership)
Universitas Indonesia, 2003
UI - Skripsi (Membership)
Irianto, author
Fakultas Ekonomi Universitas Indonesia, 1988
UI - Skripsi (Membership)