Ghugal, Y.M, and A.S Sayyad. “Free Vibration of Thick Isotropic Plates Using Trigonometric Shear Deformation Theory”. Journal of Solid Mechanics 3, no. 2 (June 30, 2011): 172–182. Accessed July 1, 2026. https://oiccpress.com/jsm/article/view/12366.