<https://vietthuong.vn/co-nhac-si-trinh-cong-son-nguoi-viet-dau-tien-duoc-google-doodles-vinh-danh>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://vietthuong.vn/co-nhac-si-trinh-cong-son-nguoi-viet-dau-tien-duoc-google-doodles-vinh-danh>