Gart, Alan
McGraw-Hill , 1984
Buku Teks
Moorehead, Alan, author
Harper and Brother, 1958
Buku Teks
Tung Desem Waringin, author
Gramedia Pustaka Utama, 2005
Buku Teks
Lahsasna, Ahcene, author
CERT publications, 2012
Buku Teks
Katcher, Bruce L., author
[American Management Association;, ], 2010
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