Choudhary, P. K., Ranjan Kumar, and Subodh Kumar. “Free Vibration Response of Functionally Graded Porous Metallic Plates Embedded With Piezoelectric Layers”. Journal of Mines, Metals and Fuels, vol. 71, no. 10, Dec. 2023, pp. 1645-56, doi:10.18311/jmmf/2023/35867.