<iframe src="https://drive.google.com/file/d/1XNyFPi1szALxW5_bx6OLjucxtfladsQS/preview" width="640" height="480"></iframe> File KH: <a href="https://drive.usercontent.google.com/u/0/uc?id=1XNyFPi1szALxW5_bx6OLjucxtfladsQS&export=download">tải về</a> <iframe src="https://drive.google.com/file/d/18O-4GUCotrRmz1CDQY2snurzgpO6kIIK/preview" width="640" height="480"></iframe> File Phụ lục: <a href="https://drive.usercontent.google.com/u/0/uc?id=18O-4GUCotrRmz1CDQY2snurzgpO6kIIK&export=download">tải về</a>