"The Marketing Costs And Their Effect On The Marketing Activity In The Industrial Companies: " An Analytical Study In The General Company For Batteries Manufacturing" (2022) مجلة المنصور, 16(1), ص 125–140. موجود في: https://journal.muc.edu.iq/journal/article/view/313 (تاريخ الوصول: 5 سبتمبر 2025).