SIMBOLON, S. C. R.; TAMPUBOLON, S. P.; MULYANI, A. S. PERFORMANCE ANALYSIS OF HORIZONTAL IRREGULAR BUILDINGS BASED ON RESPONS SPECTRUM AND TIME HISTORY METHODE. Jurnal Pensil : Pendidikan Teknik Sipil, v. 12, n. 3, p. 363 - 374, 29 Sep. 2023.