1 - 3 of 3 results for "David R. Portney"

Title: Get Your Money Where Your Mouth Is: How to Use Seminars and Public Speaking to Market and Promote Your Business, Profession, or Passion--Profitably, Author: David R. Portney
Title: 129 Seminar Speaking Success Tips, Author: David R. Portney
Title: 129 More Seminar Speaking Success Tips, Author: David R. Portney