Ismael Abdul Sattar Jabbar, Hassan Kassim Albahadilyr, and Alaa A. Jabbar Altaay. 2023. “Design and Implementation Digital Invitation System Based on Secure Hash Algorithm 3 ”. International Journal of Online and Biomedical Engineering (iJOE) 19 (05):pp. 105-116. https://doi.org/10.3991/ijoe.v19i05.37583.