Besterfield, Dale H., author
Prentice-Hall, 1994
Buku Teks
Besterfield, Dale H., author
Prentice-Hall, 1979
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Besterfield, Dale H., author
Pearson Education, 2004
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Pramaning Tri Hastari, author
2019
UI - Tesis (Membership)
Banks, Jerry, author
John Wiley & Sons, c1989
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