Free Vibrational Effect of Foot Bridge with Compressive Forces. FULafia Journal of Science and Technology , [S. l.], v. 6, n. 2, p. 12–18, 2020. Disponível em: https://lafiascijournals.org.ng/index.php/fjst/article/view/170. Acesso em: 15 jul. 2026.