AKIN, Sinan, and Oğuzhan Yüksel. “The Evaluation of Athlete and Non-Athlete Mentally Retarded Children’s Dynamic Balance Level”. Sportif Bakış: Spor Ve Eğitim Bilimleri Dergisi, vol. 3, no. 1, June 2016, pp. 33-40, https://sportifbakis.com/index.php/pub/article/view/242.