Marpaung, Benny, author
1997
UI - Skripsi (Membership)
Artikel Jurnal
Ahmad Husen, author
Universitas Indonesia, 1997
UI - Skripsi (Membership)
Tuti Kusmani, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1980
UI - Skripsi (Membership)
Yunus Yakub, author
Fakultas Teknik Universitas Indonesia, 1997
UI - Tesis (Membership)