MOHAMMADI, Farogh Soufi, et al. “Investigation of Free Vibration and Buckling of Timoshenko Nano-Beam Based on a General Form of Eringen Theory Using Conformable Fractional Derivative and Galerkin Method”. Engineering Transactions, vol. 67, no. 3, Apr. 2019, pp. 347–367, https://doi.org/10.24423/EngTrans.1001.20190426.