Christensen, Mary, 1951- , author
Be a direct selling superstar: achieve financial freedom for yourself and others as a direct sales leader
[American Management Association;, ], 2013
 eBooks
Schwartz, Matthew, author
Fundamentals of sales management for the newly appointed sales manager
American Management Association, 2006
 eBooks
Farber, Barry J., author
Success secrets of sales superstars : the moves and mayhem behind selling your way to the top as told by 34 industry leaders
Entrepreneur Press, 2013
 Buku Teks
Jones, John G., author
Sales management
Alexander Hamilton Institute, 1961
 Buku Teks
Still, Richard R
Sales management
Prentice Hall International, 1988
 Buku Teks
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