link : https://docs.google.com/presentation/d/1Xm4FG_dBTL0WrZxjWFwGfI-POwPq6JoU/edit?usp=sharing&ouid=101445637476002651785&rtpof=true&sd=true
Phân Loại Từ Khóa – MR Nguyễn Anh Tuấn
link : https://docs.google.com/presentation/d/1Xm4FG_dBTL0WrZxjWFwGfI-POwPq6JoU/edit?usp=sharing&ouid=101445637476002651785&rtpof=true&sd=true