Usman, M. A., Hammed, F. A. . and Daniel, D. O. . (2023) “Free Vibrational Analysis of Non-uniform Double Eulerbernoulli Beams on a Winkler Foundation Using Laplace Differential Transform Method”, Journal of Engineering Science, 14(1), pp. 111–121. doi: 10.3329/jes.v14i1.67640.