Darimolyo, Priyo Novendri, Guntur Nugroho, and Ahmad Zaki. “Review Paper: Monitoring Steel Bridges With Natural Frequency: Inggris”. Jurnal Perspektif 10, no. 1 (January 12, 2026): 15–28. Accessed January 23, 2026. http://perspektif.uinsgd.ac.id/index.php/JP/article/view/404.