KHALIL, N. M.; ALGAMAL, Yousif Mohamed. 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://scholarpublishing.org/journals/index.php/ABR/article/view/8957. Acesso em: 18 jun. 2026.