Timeless Wisdom. I am confident that the habits that Covey outlines in these two books will still be relevant 50 years from now. Covey takes the concept of trust, helps us see it bey a business tool and gives us strategies on how to build and rebuild it. Yurt presente https://zenwriting.net/bookcinema01/buyulenme-hakkinda-ankara-ozel-ders-matematik-gulay