A. Khalid, D. and Yaqoob K. Yaqoob, M. 2021. Marketing Culture and Its Role In Enhancing Competitive Advantage/ A Survey Study In Nowruz, The Internet Service Provider in Duhok. TANMIYAT AL-RAFIDAIN. 40, 132 (Dec. 2021), 287–303. DOI:https://doi.org/10.33899/tanra.2021.170364.1102.