M. Najem, Rabi, and Dr. Salim T. Yousif. “Optimum Cost Design of Reinforced Concrete Columns Using Genetic Algorithms”. Al-Rafidain Engineering Journal (AREJ) 22, no. 1 (February 28, 2014): 112–141. Accessed August 7, 2025. https://ojs.uomosul.edu.iq/index.php/arej/article/view/26920.