The Sharp Solution: A Brain–Based Approach for Optimal Performance Autor Heidi Hanna 7 mar 2013 Paperback Preț: 85.73 lei 3-5 săpt.
Stressaholic: 5 Steps to Transform Your Relationship with Stress Autor Heidi Hanna 6 mar 2014 Hardback Preț: 110.51 lei 3-5 săpt.