Torsional behavior of reinforced recycled aggregate flowing concrete hollow section beams. Periodicals of Engineering and Natural Sciences, [S. l.], v. 9, n. 3, p. 823–830, 2021. DOI: 10.21533/pen.v9.i3.894. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/894. Acesso em: 13 jun. 2026.