Suna, G., M. Alp, and E. Çetinkaya. “Investigating the Effects of Technical Trainings Applied 10-12 Age Male Tennis Players on Their Stroke Performances”. Journal of Human Sciences, vol. 13, no. 3, Nov. 2016, pp. 4980-5, https://www.j-humansciences.com/ojs/index.php/IJHS/article/view/4019.