NGUYEN, L. B.; VIET, T. B.; NGUYEN, H.-Y. An isogeometric formulation with a three-variable high order shear deformation theory for free vibration analysis of FG porous plates reinforced by graphene platelets. Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE, v. 15, n. 2, p. 51-66, 15 abr. 2021.