Book Reading Marathon Challenge Day 21 -THE 80/20 PRINCIPLE BY RICHARD KOCH.
Part 1- Overture.
What is the 80/20 Principle?

Book Reading Marathon Challenge Day 21 -THE 80/20 PRINCIPLE BY RICHARD KOCH. Part 1- Overture. What is the 80/20 Principle?

Book Reading Marathon Challenge Day 21 -THE 80/20 PRINCIPLE BY RICHARD KOCH.

The book Reading Marathon Challenge is an initiative to grow your knowledge and communication by reading books and growing a bit every single day. It is a part of the Communication Mastery 150-day challenge.

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Book Reading Marathon Challenge Day 21 -THE 80/20 PRINCIPLE BY RICHARD KOCH.

Book Reading Marathon Challenge Day 21 -THE 80/20 PRINCIPLE BY RICHARD KOCH.