Công nghệ pt
Wednesday, 16 October 2013
diem cn 23/10
https://drive.google.com/file/d/0B8-kOqt9q7avMTdUeGtWWGo0Um8/edit?usp=sharing
Sunday, 13 October 2013
công nghệ lớp 11
Link youtube:
http://m.youtube.com/playlist?list=PL0C3AC7F0E8F3D7D8
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