the 500-sheet paper survey for 500 people is being able to do it, but do not guarantee 100% accuracy that only 10% of range. Because there are people who do not answer or honest answer has no comments to suggestions for our Pub. So after I made 500 sheets that I would pick out votes 50 votes that I believe that it is the client's suggestions for the restaurant.
đang được dịch, vui lòng đợi..
