Mouhamed ali, TahirAhmed, and Nisrin Moussa ahmed mouhamed. “The Impact of Creative Marketing on the Competitive Advantage of ServiceEnterprises: Applied to the Islamic Insurance Company (Khartoum State) in the Period (2010-2020)”. Milev Journal of Research and Studies, vol. 7, no. 1, June 2021, pp. 224-39, doi:10.58205/mjrs.v7i1.629.