Green, Charles H., author
McGraw-Hill , 2012
Buku Teks
Sherman, Andrew J., author
[American Management Association, ], 2012
eBooks
Sherman, Andrew J., author
[American Management Association, ], 2005
eBooks
Bullis, Douglas
Times Books International , 1999
Buku Teks
Loffel, Egon W.
John Wiley & Sons, 1977
Buku Teks