"Statistical quality control on the production of cement in the General Company of Iraq". Al Kut Journal of Economics and Administrative Sciences 5, no. 12 (أبريل 12, 2013): 296–331. تاريخ الوصول أكتوبر 27, 2026. http://kjeas.uowasit.edu.iq/index.php/kjeas/article/view/145.