RAO, B. N.; RAJESH, K. N. Mode I crack problems by coupled fractal finite element and meshfree method. Computer Assisted Methods in Engineering and Science, [S. l.], v. 17, n. 2/3/4, p. 113–135, 2017. Disponível em: https://cames3.ippt.pan.pl/index.php/cames/article/view/127. Acesso em: 12 jan. 2025.