Atalay Noordegraaf, Meliha, and Müberra Çelebi. “The Challenges of the Volunteerism Process During International Sport organizations/Events”. Journal of Human Sciences 12, no. 1 (April 21, 2015): 1263–1279. Accessed November 21, 2024. https://j-humansciences.com/ojs/index.php/IJHS/article/view/3238.