- Symbolic Logic: Fifth Edition
- Elevator Pitch 2.0: Your first step towards business success: Awak-en the interest of your target clients through a personal and customized approach.
- How to Write an eBook Bestseller: Easy Steps to Write a Non-Fictional Bestseller
- Essays on Purchasing and Supply Management
- Elevator Pitch 2.0: Your First Step Towards Business Success: Awaken the Interest of Your Target Clients Through a Personal and Customized Approach.









