[quote user="tuoitrecuoi"]dong gop cho lop hoc them cai nay ne. cua bon nuoc ngoai day no ban tren mang day.
http://www.4shared.com/file/89177879...l_Version.html
va day la huong dan
http://www.4shared.com/file/89177877...l_Version.html[/quote]

Họ bán giá bao nhiêu hả cụ ?