List of Articles Bi-directional functionally graded materials Open Access Article Abstract Page Full-Text 1 - Dynamic Stability Analysis of Bi-Directional Functionally Graded Beam with Various Shear Deformation Theories Under Harmonic Excitation and Thermal Environment A Ghorbanpour Arani Sh Niknejad A Mihankhah I Safari 10.22034/jsm.2019.583270.1375 20.1001.1.20083505.2022.14.3.1.5