ALI, B. H.; SAEED, B. A.; HUSSEIN, T. A. Time History Analysis of Frame Structure Systems by State-space Representation Method. Polytechnic Journal, [S. l.], v. 10, n. 1, p. 140-147, 2020. DOI: 10.25156/ptj.v10n1y2020.pp140-147. Disponível em: https://journals.epu.edu.iq/index.php/polytechnic/article/view/121. Acesso em: 15 may. 2024.