Hanan, Mack.
Consultative selling : the Hanan formula for high-margin sales at high levels / [electronic resource]
Mack Hanan.
- New York : AMACOM, c2011.
- p. cm.
0814416179 9780814416174
Selling--Key accounts.
Selling.
HF5438.25 / .H345 2011
658.85