AKIN, Sinan, and Oğuzhan Yüksel. 2016. “The Evaluation of Athlete and Non-Athlete Mentally Retarded Children’s Dynamic Balance Level”. Sportif Bakış: Spor Ve Eğitim Bilimleri Dergisi 3 (1):33-40. https://sportifbakis.com/index.php/pub/article/view/242.