Investigation some properties of recycled lightweight concrete blocks as a fine aggregate in mortar under elevated temperature. Periodicals of Engineering and Natural Sciences, [S. l.], v. 8, n. 1, p. 400–412, 2020. DOI: 10.21533/pen.v8.i1.1057. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/1057. Acesso em: 8 jul. 2026.