My brother,

What does research mean?

I think it is better if you could go by yourself and find answers to your topic. We might give you some of these problems, but this is only one source of the information; and this of course will not be acceptable if I was your professor.

My controbution here is referring you to GOOGLE. I am sure you will find thousands of pages talking about your problem.

Don't forget my brother my question above; i am waiting for your answer????

__________________

على المرء أن يكون عظيماً فيعترف بأخطائه،
وذكياً فيستفيد منها ،
وقوياً فيصححها

alasad68@hotmail.com