Tracy, Brian
Speak to win: How to present with power in any situation
American Management Association, 2008
 eBooks
Walkup, Renee P.
Selling to anyone over the phone
[American Management Association;, ], 2011
 eBooks
Walkup, Renee P.
Selling to anyone over the phone
American Management Association, 2006
 eBooks
Johnston, S. A.
Trading options to win: frofitable strategies and tactics for any trades / Johnston, S.A.
Wiley, 2003
 Buku Teks
Baldoni, John, 1952-
The leader's pocket guide: 101 indispensable tools, tips, and techniques for any situation
[American Management Association, ], 2013
 eBooks