Rahil, F., H. Baqir, and H. Alkabee. “BEARING CAPACITY OF SOFT CLAY IMPROVED BY HEATING THROUGH DIFFERENT SPACING CASED BOREHOLES”. Kufa Journal of Engineering, vol. 10, no. 1, June 2021, pp. 68-77, https://journal.uokufa.edu.iq/index.php/kje/article/view/371.