[1]
A. M. S. . Al-Hamdani and A. M. . Mohammed , Trans., “Requirements Applying of Six Sigma Methodology to Reduce Productive Wastage at Yemeni Pharmaceutical Manufacturing Companies: A Field Study ”, J Soci Stu, vol. 30, no. 1, pp. 30–59, Mar. 2024, doi: 10.20428/jss.v30i1.2337.