ISBN 1849370222 books & textbook
Developing Your Influencing Skills: How to Influence People by Increasing Your Credibility, Trustworthiness and Communication Skills, Lots of Exercises and Case Studies Free Downloadable Workbook
Lightning Source Inc /2010-02-17 Paperback / 145 Pages
isbn-10: 1849370222 / isbn-13: 9781849370226
