I. Abdulla, Abdulla. “Linear Quadratic Regulator Using Artificial Immunize System”. Al-Rafidain Engineering Journal (AREJ) 20, no. 3 (June 28, 2012): 80–91. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/arej/article/view/30572.