Omr, M. A., Mohammed, R. I., & Ali, N. M. (2015). Strategies of Marketing Mix and Its Role in Increasing of Market Share: Exploring Study for The Opinions of Employees in City Centre Company at Zakho City. Humanities Journal of University of Zakho, 3(2), 556–573. https://doi.org/10.26436/hjuoz.2015.3.2.224