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Usaha Nasional, 1993
Buku Teks
Artikel Jurnal
Silitonga, Faddly Triwanto, auhtor
2016
UI - Skripsi (Membership)
Laily Suharlina Mahalli, author
Fakultas Eknonomi dan Bisnis Universitas Indonesia, 2000
UI - Tesis (Membership)
Sri Minarni, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2012
UI - Tesis (Open)