Tagliaferri, Louise E.
John Wiley & Sons, 1979
Buku Teks
Mosley, Donald C., author
South-Western Publishing, 1985
Buku Teks
Bittel, Lester Robert, author
McGraw-Hill, 1985
Buku Teks
Dew, R. Beresford
Wiley, 1973
Buku Teks
Belker, Loren B., author
[American Management Association, ], 2012
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