One Page Management

One Page Management
Riaz Khadem and Robert Lorber
ISBN 978-4-492-55600-9

I didn't know this method, but it seems to be quite old and established one.
For example, Google gave me about 82,000,000 links for "one+page+management" query.

I'm wondering if this method works for a colleague of mine because the focus report and the performance report look like very good for concentration.
Hey, Furuta-kun!
Are you reading?
It's you. :o)