Ekici, Sümmani, Akan Bayrakdar, and Oruç Ugur. “The Attitudes of Managers and Students of Secondary Schools, towards Interscholastic Activities”. Journal of Human Sciences 6, no. 1 (March 8, 2009): 430–444. Accessed December 21, 2024. https://j-humansciences.com/ojs/index.php/IJHS/article/view/690.