AL-HAMDANI, Abdulhaq Mohammed Saleh; MOHAMMED, Abdulmajeed Mansoor. Requirements Applying of Six Sigma Methodology to Reduce Productive Wastage at Yemeni Pharmaceutical Manufacturing Companies: A Field Study . Journal of Social Studies, [S. l.], v. 30, n. 1, p. 30–59, 2024. DOI: 10.20428/jss.v30i1.2337. Disponível em: https://journals.ust.edu/index.php/JSS/article/view/2337. Acesso em: 8 jan. 2025.