Assessment of seismic responses toward multi-story buildings of steel special moment resisting frame by considering the setback irregularitiesRidho Aidil Fitrah, Masrilayanti Masrilayanti, Gita Zakiah Putri and Zev Al JauhariE3S Web Conf., 331 (2021) 05007DOI: https://doi.org/10.1051/e3sconf/202133105007