MECHANICAL CHARACTERISTICS OF LIGHTWEIGHT CONCRETE ENHANCED BY FLY-ASH AND STEEL FIBER. Tikrit Journal of Engineering Sciences, [S. l.], v. 26, n. 4, p. 16–25, 2019. DOI: 10.25130/tjes.26.4.03. Disponível em: https://www.tj-es.com/ojs/index.php/tjes/article/view/129.. Acesso em: 9 sep. 2026.