Gümüşgül, C., Ersoy, A. and Gümüşgül, O. (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), pp. 26–37. doi: 10.33468/sbsebd.129.