Geahča maid: Membership rules! :
- Selling
- How to sell without being a jerk! the foolproof approach to the world's second oldest profession /
- Playing bigger than you are how to sell big accounts even if you're David in a world of Goliaths /
- Power questions to win the sale overcoming nine critical sales challenges /
- No thanks, I'm just looking! : sales techniques for turning shoppers into buyers /
- 365 preguntas que hacen vender /