Dale Carnegie: Self Improvement, Salesmanship & Public Speaking

12 วิธีชนะมิตรและจูงใจคน by Dale Carnegie dale carnegie Dale Carnegie's business is: improving individual and business performance based on core human relations principles that help people transform dale carnegie The Leader In You by Dale Carnegie : The Success of Dale Carnegie & Associates

dale carnegie The Dale Carnegie training is truly a life-changing experience It transformed how I thought about management and how to approach my career and my day-to-day