Hung, D.T., Lien, T.V., Dinh, T.B. and Thang, N.T. 2023. Free vibration analysis of FGM framed nanostructures using variational-consistent boundary conditions. Vietnam Journal of Mechanics. 45, 2 (Jun. 2023), 145–163. DOI:https://doi.org/10.15625/0866-7136/18192.