KHALIL, N. M.; ALGAMAL, Y. M. Exploitation of some raw minerals for Increasing productivity of ordinary portland cement. Archives of Business Research, [S. l.], v. 6, n. 7, 2018. DOI: 10.14738/abr.67.4327. Disponível em: http://116.203.177.230/index.php/ABR/article/view/4327. Acesso em: 22 nov. 2024.