Carboch, Jan, and Petr Smocek. “Serve and Return in Badminton: Gender Differences of Elite Badminton Players”. International Journal of Physical Education, Fitness and Sports 9, no. 1 (February 28, 2020): 44–48. Accessed April 18, 2024. https://ijpefs.org/index.php/ijpefs/article/view/288.