David L. Lewis

Verhalen van David L. Lewis

• 

  Communication in the Workplace: A Practical Guide to Improving Your Communication in All Business and Tips on How You Can Speak Up at Meetings, Public Speaking and PresentationDavid L. Lewis

  1

  
• 

  Best Way to Improve Communication Skills: Discover the Best Way to Improve Communication Skills in Life, the Workplace and in Love RelationshipsDavid L. Lewis

  4.5