Rendragraha, Aji, and Luthfi Mauludin. “The Effect of Inclusion on Crack Propagation Using Extended Finite Element Method”. International Journal Applied Technology Research 3, no. 1 (April 17, 2022): 1 -. Accessed October 2, 2022. https://ijatr.polban.ac.id/ijatr/article/view/78.