İlbay, B., and D. Acar Gürel. “Joining Together the Volunteer and the Youth Tourism: An Implication for Eskişehir/Turkey<p≫Gönüllü Ve gençlik Turizminin Birlikte Ele alınması: Eskişehir’e yönelik Bir öneri”. Journal of Human Sciences, vol. 12, no. 2, July 2015, pp. 207-34, https://j-humansciences.com/ojs/index.php/IJHS/article/view/3303.