Kara, Nuriye Seyma, and Mehmet Kara. 2026. “The Perceived Concentration Level in Athletes Scale (PCLAS): A Validity and Reliability Study”. Sportif Bakış: Spor Ve Eğitim Bilimleri Dergisi 13 (1):1-20. https://doi.org/10.70736/spjses.329.