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 kakım a business tool and gives us strategies on how to build and rebuild it. 1 year https://yamcode.com/kucuk-ankara-batikent-matematik-ozel-ders-hakkinda-gercekler-bilinen