Kaba, Ismet Cem. “Investigation of Amateur Football players’ Level of State-Trait Anxiety Levels before Competition”. New Trends and Issues Proceedings on Humanities and Social Sciences 4, no. 1 (August 26, 2017): 437–445. Accessed April 28, 2024. https://www.un-pub.eu/ojs/index.php/pntsbs/article/view/2361.