Ghorbani,M. H. , Bagheri Ragheb,G. , Saberi,A. , and Asadzadeh,B. . "Designing a Model for Creating Sustainable Incomes in the Wrestling Federation of the Islamic Republic of Iran" .e4837 , Sport Management Studies, , , 2025, e4837. doi: 10.22089/smrj.2025.18385.4183