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The present study investigated the income sources of Isfahan soccer clubs with an entrepreneurial approach. This research is applied in terms of purpose and nature and uses the qualitative method and content analysis. The statistical population of this research includes all experts and experts on the requirements and methods of income generation of football clubs (including football club managers, sports management professors and economists and management professors), of which 30 are goal-oriented and the snowball method was selected as a sample, and interviews were used to collect the data. For this purpose, a researcher-made questionnaire was prepared, and the Friedman test and correlation analysis of variance–covariance matrix were used. The research showed that all three research hypotheses were approved. The revenues from football clubs in Isfahan province with the entrepreneurial approach of various aspects were determined, and ticket prices on the income of football clubs of the entrepreneurial approach are effective and broadcast on the income of football clubs of the entrepreneurial approach is effective. Keywords: Income sources, football clubs, Isfahan province, entrepreneurship.

The goal of this research is studying the effect of sport fields on self-identity and social identity. Statistical samples of this research are accessible samples including 44 national athletes in volleyball (30 persons) and weightlifting (14 persons). Brewer Athletic Identity (1993) questionnaire, was used to gather data. Average and standard deviation in descriptive statistics section, and K-S Test, independent t, and Mann-Whitney Test in inferential statistics section were used to determine normality of data and significance of data in level p<0.05.The results of this research showed that sport field affects self-identity and social identity. Self-identity and social identity are significant in weightlifting and volleyball fields and sport type affects self-identity and social identity. Also, it was found that individual and team sports significantly affect selfidentity and social identity on level p<0.005.