Mouthanna, Ahmed, Sadeq H. Bakhy, and Muhannad Al-Waily. “FREQUENCY OF NON-LINEAR DYNAMIC RESPONSE OF A POROUS FUNCTIONALLY GRADED CYLINDRICAL PANELS”. Jurnal Teknologi 84, no. 6 (September 25, 2022): 59–68. Accessed November 29, 2023. https://journals.utm.my/jurnalteknologi/article/view/18422.