Ahmed Abdullah Khalil, Maytham Mustafa Hammood, Awni M. Gaftan. “Round S-Boxes Development for Present-80 Lightweight Block Cipher Encryption Algorithm”. International Journal of Intelligent Systems and Applications in Engineering, vol. 11, no. 2s, Jan. 2023, pp. 381-94, https://ijisae.org/index.php/IJISAE/article/view/2734.