The Marketing Costs And Their Effect On The Marketing Activity In The Industrial Companies: " An Analytical Study In The General Company For Batteries Manufacturing. Al-Mansour J. [انترنت]. 21 ديسمبر، 2022 [وثق 16 أبريل، 2026];16(1):125-40. موجود في: https://www.journal.muc.edu.iq/journal/article/view/313