2.Video bài giảng từ 1 -10

1.
http://www.fileserve.com/file/PSEzPMt

2.
http://www.fileserve.com/file/d2ay7dg

3.
http://www.fileserve.com/file/KpyrJSv

4.
http://www.fileserve.com/file/dFH5ZZu

5.
http://www.fileserve.com/file/KffpGGQ

6.
http://www.fileserve.com/file/DTM2EsE

7.
http://www.fileserve.com/file/QupsEDK

8.
http://www.fileserve.com/file/8KEGnGt

9.
http://www.fileserve.com/file/KGUccAe

10.
http://www.fileserve.com/file/H8t9xhd