_:nd441615b964b414d8af9fa04c16f2226xb0
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://m.giaoduc.net.vn/phu-huynh-mua-tin-nhan-dien-tu-ma-nha-truong-vao-diem-tre-thi-cung-bang-khong-post226067.gd>