Akram Al-Taweel, dr., and Mohammed Al--Dabbag. 2009. “Possibility of Applying World-Class Manufacturing An Investegation Study For The Opinon Of Many Managers In Samra and Ninavah Drugs Companies”. TANMIYAT AL-RAFIDAIN 31 (93):144-62. https://doi.org/10.33899/tanra.2009.161833.