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The Twentieth Century Fund , 1954
Buku Teks
Chown, John F.
Quorum Books , 1990
Buku Teks
Dwi Khairani, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Skripsi (Membership)
Eko Gunadi, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Tesis (Membership)
Ahmad Subagyo, author
1995
UI - Tesis (Membership)