Assi, Abdullah. “Study of Transverse and Longitudinal Crack Propagation in Human Bone Using the Finite Element Method With MATLAB”. Al-Khwarizmi Engineering Journal 15, no. 2 (May 16, 2019): 44- 49. Accessed April 4, 2020. http://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/506.