Omar, Mohammed Abd. “Elements of Marketing Innovation and Its Impact on Marketing Performance/ Exploratory Study on a Sample of Individuals Working a Number of Commercial Companies in the City of Zakho”. Humanities Journal of University of Zakho 6, no. 3 (September 30, 2018): 870–888. Accessed March 28, 2024. https://hjuoz.uoz.edu.krd/index.php/hum/article/view/160.