Kürkçü, Recep, Yakup Akif Afyon, Cetin Yaman, and Selcuk Ozdağ. 2009. “Comparison of Some Physical and Physiologic Properties of Soccer Players and Badminton Players of 10-12 Years Old Group”. Journal of Human Sciences 6 (1):547-56. https://www.j-humansciences.com/ojs/index.php/IJHS/article/view/641.