Abdulkader, Ayad. “The Silver – Meal Method of Determining the Volume Batch for Production / Purchasing”. TANMIYAT AL-RAFIDAIN 33, no. 105 (December 1, 2011): 9–21. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/tanmiyat/article/view/30320.