Ahmad, Ahmad Saker, and Haider Khalil. “Improving (pre-Copy) Algorithm in Terms of Time and Productivity”. Tishreen University Journal -Engineering Sciences Series 42, no. 1 (March 1, 2020). Accessed May 17, 2024. http://www.journal.tishreen.edu.sy/index.php/engscnc/article/view/9428.