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Amacom, 1980
Buku Teks
Douglass, Laura Mae
Mosby, 1984
Buku Teks
Adhi Cahyono, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2011
UI - Tesis Open
Scott, John, author
Spere British Institute of Management, 1984
Buku Teks
Weaver, Patricia C., author
Free Press, 1977
Buku Teks