Al-Kufi, M. A. H. J. ., and H. A. Al-Salihi. “Mathematics at Ali Bin Abi Talib (peace Be Upon Him)- Part Two (Religious Denar)- Mathematical Encryption Language of Ali Bin Abi Talib in Solving Problems Mathematical, Philosophical, and Historical Study”. Tasnim International Journal for Human, Social and Legal Sciences, vol. 1, no. 3, Dec. 2022, pp. 289-10, doi:10.56924.tasnim.4.2022/14.