@incollection{Chun19, author = {Nguyen Van Thuan and Noh Hyuk Chun}, title = {The Stochastic Finite Element in the Natural Frequency of Functionally Graded Material Beams}, booktitle = {Mechanics of Functionally Graded Materials and Structures}, publisher = {IntechOpen}, address = {Rijeka}, year = {2019}, editor = {Farzad Ebrahimi}, chapter = {4}, doi = {10.5772/intechopen.86013}, url = {https://doi.org/10.5772/intechopen.86013} }