Keskin, Özlem, Ayşe Demir, and Buket Şenol. “Reviewing Assertiveness Level of Elite Male and Female Athletes in Different Sports Branches”. Journal of Human Sciences 15, no. 4 (October 23, 2018): 1924–1932. Accessed May 13, 2024. https://www.j-humansciences.com/ojs/index.php/IJHS/article/view/5319.