Universitas Indonesia, 2009
UI - Skripsi (Open)
Universitas Indonesia, 1986
UI - Skripsi (Membership)
Elza Huzaifah Nirmaliana, author
2013
UI - Tesis (Membership)
Reed, David, 1957- , author
American Management Association, 2009
eBooks
Ika Untari, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2006
UI - Tesis (Membership)