"Determine the cost of the product using the value stream". Al Kut Journal of Economics and Administrative Sciences 11, no. 33 (سبتمبر 12, 2019): 79–100. تاريخ الوصول أكتوبر 27, 2026. https://kjeas.uowasit.edu.iq/index.php/kjeas/article/view/82.