Parlindungan Hutahean, Hotma Ruma, author
2001
UI - Tesis (Membership)
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1991
UI - Skripsi (Membership)
Teguh Permana, author
2001
UI - Tesis (Membership)
Laksmi Sito Dwi Irvianti, author
2001
UI - Tesis (Membership)
Napitupulu, Jidin, author
2003
UI - Tesis (Membership)