H. K. Albahadily, I. A. Jabbar, A. A. Altaay, and X. . Ren, “Issuing Digital Signatures for Integrity and Authentication of Digital Documents”, Al-Mustansiriyah Journal of Science, vol. 34, no. 3, pp. 50–55, Sep. 2023, doi: 10.23851/mjs.v34i3.1278.