1.
Songsuwan W, Wattanasakulpong N. Amplitude analysis of functionally graded beams under linear decreasing and exponential loads. J. Res. Appl. Mech. Eng. [internet]. 2020 Jun. 2 [cited 2026 Mar. 29];8(1):1-10. available from: https://ph01.tci-thaijo.org/index.php/jrame/article/view/217970