The Marketing Costs And Their Effect On The Marketing Activity In The Industrial Companies: " An Analytical Study In The General Company For Batteries Manufacturing. مجلة المنصور [انترنت]. 21 ديسمبر، 2022 [وثق 5 سبتمبر، 2025];16(1):125-40. موجود في: https://journal.muc.edu.iq/journal/article/view/313