作者: David Hyner

Expert Advice from Top Speakers to Build Your Speaking Career. Revealed: the Secrets of How to Build a Successful Professional Speaking Business! If you want to be a successful speaker, this book wil …

Want to work smarter, faster and more productively? Agile is an innovative way of working that will help you deliver high quality products and services cost-effectively, to embrace change and keep im …

Want to work smarter, faster and more productively? Agile is an innovative way of working that will help you deliver high quality products and services cost-effectively, to embrace change and keep im …