Modelling reinforced concrete beams for structural strengthening of buildings. Periodicals of Engineering and Natural Sciences, [S. l.], v. 8, n. 2, p. 1083–1095, 2020. DOI: 10.21533/pen.v8.i2.1133. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/1133. Acesso em: 4 jul. 2026.