Mahmoud Mohammed, Esam, عصام, Alaa F.S. AL_Mukhtar, and الاء. “Measuring of Oracle Optimizer Performance for Object-Relational Database Entities”. AL-Rafidain Journal of Computer Sciences and Mathematics 5, no. 2 (June 25, 2025): 125–140. Accessed August 7, 2025. https://ojs.uomosul.edu.iq/index.php/csmj/article/view/19933.