L. Ahmed, Buthainah, and Muzahim R. Hamdoon. “Training Process Stages and Its Contribution in the Level of Salesman Performance Analytical Study on a Sample of Sales Representatives in the Nineveh Province”. TANMIYAT AL-RAFIDAIN 38, no. 122 (June 1, 2019): 155–170. Accessed September 8, 2025. https://tanmiyat.uomosul.edu.iq/index.php/tanmiyat/article/view/29985.