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Buku Teks
Boydell, Tom
Aksara Persada Press, 1986
Buku Teks
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tugas Akhir
Ward, Dan L., author
[American Management Association, ], 2013
eBooks
Bambang Swasto, author
Universitas Brawijaya Press, 2011
Buku Teks