Ibnu Syamsi M, Maulana TI, Widyantama H, Ian MR, Lesmana RI. Comparative Study of Indonesian Seismic Codes Applied on Vertically Irregular RC Building in High Seismicity Region. IJIE. 2021;13(3):158-167. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/8919