AHMAD, R. .; HUSSAIN, M. Z.; MUHAMMAD ZULKIFL HASAN; AFAQ, M. A. . Data Models, Semantics, Query languages. UCP Journal of Engineering & Information Technology (HEC Recognized-Y Category), [S. l.], v. 1, n. 1, p. 08–19, 2023. Disponível em: https://ojs.ucp.edu.pk/index.php/ucpjeit/article/view/165. Acesso em: 4 dec. 2024.