Hong, K. I., J. I. Lee, and J. U. Cho. “A Research about the Fracture Analysis on Compact Tension Specimen Applied to Motor Core Composed of Silicon Steel”. International Journal of Advanced Science and Technology, Vol. 28, no. 5, Sept. 2019, pp. 183 -91, http://sersc.org/journals/index.php/IJAST/article/view/321.