<https://tructiepxosomega.com/tu-phu-bep-tro-thanh-giao-su-tien-si-nha-nghien-cuu-khoa-hoc/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://tructiepxosomega.com/tu-phu-bep-tro-thanh-giao-su-tien-si-nha-nghien-cuu-khoa-hoc/>