Caplen, Rowland
Business Books , 1975
Buku Teks
Besterfield, Dale H., author
2004
Multimedia
Besterfield, Dale H., author
2004
Multimedia
Besterfield, Dale H., author
Prentice-Hall, 1998
Buku Teks
Besterfield, Dale H., author
Prentice-Hall, 1994
Buku Teks