Evaluation the influence of steel-fiber on the concrete characteristics. Periodicals of Engineering and Natural Sciences, [S. l.], v. 10, n. 3, p. 368–379, 2022. DOI: 10.21533/pen.v10.i3.670. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/670. Acesso em: 18 apr. 2026.