Ulslam Abbass, A., and K. Mahmoud Aziz. “The Role of Quality Services in Fitness and Bodybuilding Halls in the City of Mosul from the Viewpoint of Its Visitors”. Al-Rafidain Journal For Sport Sciences, vol. 25, no. 79, Oct. 2022, pp. 34-42, doi:10.33899/rjss.2022.175897.