<https://www.doubtnut.com/qa-hindi/yadi-x-1-x2-hai-to-x7-1-x5-ka-maan-gyaat-karen-22545067>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.doubtnut.com/qa-hindi/yadi-x-1-x2-hai-to-x7-1-x5-ka-maan-gyaat-karen-22545067>