Bai giang thay on\Bai 5 Mo hinh muc cong.ppt .................\Bai 1 Tong quan.ppt .................\Bai 2 Mo hinh co thu bac.ppt .................\Bai 3 Khai niem co ban.ppt .................\Bai 4 Module va port.ppt Bai giang thay on