ISMAIL, Al Emran. Mode I Stress Intensity Factors of Sickle-Shaped Surface Cracks in Round Bars. International Journal of Integrated Engineering, [S. l.], v. 8, n. 2, 2016. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/1300. Acesso em: 9 apr. 2026.