Al-Kubaisi, Omar. “Prediction of the Effect of Using Stone Column in Clayey Soil on the Behavior of Circular Footing by ANN Model”. Journal of Engineering 24, no. 5 (May 1, 2018): 86-97. Accessed October 21, 2020. http://joe.uobaghdad.edu.iq/index.php/main/article/view/j.eng.2018.05.06.