Aziz Hussain Al-Abdulla, Raad, and Sema Kadhim Gaber. “B - Ind and B - Ind”. Journal of Al-Qadisiyah for Computer Science and Mathematics 3, no. 2 (October 1, 2017): 110–122. Accessed September 19, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/281.