_:nde23569c323e4210abbe4e3697ec2c1dxb1
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://caodangngoainguhn.edu.vn/thi-tot-nghiep-thpt-2020-se-bao-ve-ba-vong-khu-vuc-in-sao-de-thi-den-ngay-108.htm>