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 Journal, [S. l.], v. 16, n. 1, p. 125–140, 2022. Disponível em: https://journal.muc.edu.iq/journal/article/view/313. Acesso em: 7 sep. 2025.