Mohsen, G. A., A. R. Shayyal, and M. M. A. Farhan. “The Effect of Sponsorships and Product Marketing on the Management Activities of Football Clubs: A Contextual and Dimensional Study”. Journal of Human Sport and Exercise, vol. 16, no. 3proc, Sept. 2021, pp. S1457-S1466, doi:10.14198/jhse.2021.16.Proc3.62.