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: https://journals.scholarpublishing.org/index.php/ABR/article/view/4327. Acesso em: 4 may. 2024.