I've found some interesting points and methods in this book. IE: when and how to ask the right questions.
Sales Made Simple - 4 Steps to successful sales - Julian Martin [PDF BOOK]
https://drive.google.com/file/d/1qroomxRW7_8VlC3E811A5ftz8k4IJ6dC/view?usp=sharing 61742580-Sales-Made-Simple.pdf
5
2 comments