AUGHITRI, Fayza; NUGROHO, Guntur. Numerical Analysis of the Effect of Opening Shape and Spacing on the Damping Ratio of Castellated Beams. Jurnal Perspektif, [S. l.], v. 10, n. 1, p. 98–108, 2026. DOI: 10.15575/jp.v10i1.395. Disponível em: http://perspektif.uinsgd.ac.id/index.php/JP/article/view/395. Acesso em: 6 feb. 2026.