Salem Ahmed, A., and N. Ibrahim. “Measuring the Level of Dimensions of the State of Competition Anxiety ( the State of Cognitive and Physical Anxiety and Self-Confidence ) of the Players of Some Clubs in Nineveh”. Al-Rafidain Journal For Sport Sciences, vol. 24, no. 75, Oct. 2021, pp. 228-40, doi:10.33899/rjss.2021.169822.