"The relationship between marketing experience and marketing knowledge and its impact on marketing performance: A field study in the Iraqi oil sector companies" (2025) Al Kut Journal of Economics and Administrative Sciences, 16(55), ص 1086–1115. موجود في: https://kjeas.uowasit.edu.iq/index.php/kjeas/article/view/933 (تاريخ الوصول: 16 أكتوبر 2026).