Richard Koch The 80/20 principle

The seller is blocked and sales of the product are suspended

Richard Koch
LIFE ON AN
80/20

80% of the results stem from only 20% of the causes - a principle that resembles saying
"Better fewer, but better."
The book will teach you so choose and use the most effective action and
methods, the number of which is relatively small in order to achieve perfectly meet your goals, intentions, dreams.
For a wide range of readers.