B. Taha, D., دجان, F. H. AbdulRaheem, and فرقد. “Copyright Protection for Text Documents”. AL-Rafidain Journal of Computer Sciences and Mathematics, vol. 4, no. 2, June 2025, pp. 87-101, https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19645.