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Continue to ChatPorosity dependent torsional vibrations of restrained FG nanotubes using modified couple stress theory - https://avesis.uludag.edu.tr/publication/details/7ebe1412-10d0-4f1f-9119-764dbf3619ff/porosity-dependent-torsional-vibrations-of-restrained-fg-nanotubes-using-modified-couple-stress-theory