SELVAMANI, R.; LOGANATHAN, R.; EBRAHIMI, F. Nonlocal State-Space Strain Gradient Approach to the Vibration of Piezoelectric Functionally Graded Nanobeam. Eng. Trans. 2022, 70 (4), 319–338. https://doi.org/10.24423/EngTrans.2242.20221020.