raffi, Shaik Mahmad, and Ch. Tirumala Rao. “Linear Free Vibration Analysis of Tapered Rectangular Cantilevered Timoshenko Beams Using Energy Field Meth-Od”. International Journal of Engineering and Technology 7, no. 4.24 (November 27, 2018): 119–123. Accessed February 25, 2026. https://www.sciencepubco.com/index.php/IJET/article/view/21870.