The Pin Drop Principle: Captivate, Influence, and girro 2014年1月15日 7 阅读 0 评论 未分类 The Pin Drop Principle: Captivate, Influence, and Communicate Better Using the Time-Tested Methods of Professional Performers Hardcover: 268 pages Publisher: Wiley (May 1, 2012) Language: English ISBN-10: 1118289196 代发服务PDF电子书10元立即求助