“Free Vibration Analysis of Functionally Graded Material Plates with Various Types of Cutouts using Finite Element Method”, Int. J. Curr. Eng. Technol., vol. 8, no. 5, pp. 1293–1302, Oct. 2018, Accessed: Mar. 13, 2026. [Online]. Available: https://ijcet.evegenis.org/index.php/ijcet/article/view/1940