“Proposed Method for Text Encryption Using Two Secret Keys and One Secret Mathematical Equation”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 24, no. 1 (October 25, 2021): 72–87. Accessed November 19, 2024. https://alhadhar.com/raf-journal/index.php/JAUCS/article/view/467.