Answers

2016-02-21T11:14:39+08:00
In what part do you mean?.... please be specific next time, don't just type the question on the book or on the board or wherever you got that question because what is the use of the books, the technology rather, you are just depending on the answers that might given by the people around you.... I'm sorry if I had crossed the boundary, but next time it is better to read because you can learn a lot
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