Hussein Oohayyid, B., and O. Abdalsalam Yousef. “Career Maturity and Its Relationship to Career Maturity Among Members of the Administrative Bodies of Sports Clubs in Nineveh Governorate”. Al-Rafidain Journal For Sport Sciences, vol. 26, no. 82, Nov. 2023, pp. 132-54, doi:10.33899/rjss.2023.18291013.