Quality Evaluation of Al-Rasheed Ready Concrete Mixture Plant By Using Six Sigma Approach . مجلة الهندسة, [S. l.], v. 18, n. 09, p. 1014–1029, 2012. DOI: 10.31026/j.eng.2012.09.03. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/2170.. Acesso em: 17 2024.