Marthen Pali, author
1997
UI - Tesis (Membership)
Universitas Indonesia, 1983
UI - Skripsi (Membership)
R. A. Hera Purnami Kusumasari, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2003
UI - Tesis (Membership)
Yayasan Bhakti Wawasan Nusantara, 1992
Buku Referensi
Deppy Greska, author
1996
UI - Skripsi (Membership)