Usman MA, Hammed FA, Daniel DO. Free Vibrational Analysis of Non-uniform Double Eulerbernoulli Beams on a Winkler Foundation Using Laplace Differential Transform Method. J. of Eng. Sci. [Internet]. 2023 Jul. 18 [cited 2024 Dec. 26];14(1):111-2. Available from: https://banglajol.info/index.php/JES/article/view/67640