Universidad Tecnológica de El Salvador

Randy Illig

9 Book

Strikingly Different Selling
6 Vital Skills to Stand Out and Sell More
Dale Merrill et al.
FranklinCovey Publishing, 2022
8 Book

Let’s Get Real or Let’s Not Play
Transforming the Buyer/Seller Relationship
Mahan Khalsa and Randy Illig
Portfolio, 2008