The Pin Drop Principle – Captivate, Influence, and Communicate Better Using the Time–Tested Methods of Professional Performers Autor D. Lewis 14 iun 2012 Hardback Preț: 141.38 lei 3-5 săpt.
The Bullseye Principle – Mastering Intention–Based Communication to Collaborate, Execute, and Succeed Autor D. Lewis 21 iun 2018 Hardback Preț: 150.34 lei 3-5 săpt.