NUGROHO, Guntur; AUGHITRI, Fayza. Effects of Square Body Openings in Castellated Steel Beams on Stiffness and Natural Frequencies. INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur, [S. l.], v. 22, n. 1, p. 40–48, 2026. DOI: 10.21831/inersia.v22i1.87871. Disponível em: https://journal.uny.ac.id/index.php/inersia/article/view/87871. Acesso em: 13 may. 2026.