Gümüşgül, Ceren, Adnan Ersoy, and Osman Gümüşgül. 2020. “Investigation of Amateur and Professional Athlete’s Novel Coronavirus (COVID-19) Anxiety – Aspect of Managerial Decision”. Sportif Bakış: Spor Ve Eğitim Bilimleri Dergisi 7 (S1):26-37. https://doi.org/10.33468/sbsebd.129.