Bài trong ngày 09/12/2021

https://drive.google.com/drive/folders/1VG6CHgB7q_MiRh5m6rp2Gw_iiQL1nOJR?usp=sharing

https://drive.google.com/file/d/1RJVJjm0-szOyhKnewsgg0Ap7Y_Gmi3rX/view?usp=sharing