Hassan Rahmah Zagi, و Abeer Tariq Maolood. "A NOVEL SERPENT ALGORITHM IMPROVEMENT BY THE KEY SCHEDULE INCREASE SECURITY". Tikrit Journal of Pure Science 25, no. 6 (ديسمبر 24, 2020): 114–125. تاريخ الوصول مايو 18, 2024. https://tjps.tu.edu.iq/index.php/tjps/article/view/320.