VIBRATIONAL ANALYSIS OF MAGNETO-VISCOELASTIC BI-DIRECTIONAL FUNCTIONALLY GRADED BEAMS SUBJECTED TO COMPLEX ENVIRONMENTS BASED ON A NOVEL HIGH-ORDER SHEAR DEFORMATION THEORY Article Wang Z., Cao G., Meng X., Rahimi M., Rosaiah P., Karim M.R., Yvaz A., Strashnov S. Journal of Vibration Engineering and Technologies. Springer. Vol. 12. 2024. P. 5759-5770