Hosseini Keshtan, M., M. Fazel Bakhsheshi, H. Zareian, and M. Reihani. 2020. “Impact of Stability on the Performance of Persian Gulf Pro League Football Clubs”. SPORT TK-EuroAmerican Journal of Sport Sciences 9 (2):129-34. https://doi.org/10.6018/sportk.431261.