In Reply to Parent Post by m.Ismail
I would like to aske about KPI Key Performance Indicators . in if there any methods to measures this KPI .
You asked such a general question that I am afraid nobody have an answer for you. The best I can do is to direct you to some of our previous discussions on this subject
. Please go through them and come back with more specific questions. If you are looking for some books to read, here's one related thread