Traş, Z., C. Arslan, and A. Mentiş Taş. “Analysis of Humor Styles, Problem Solving and Self- Esteem of Prospective Teachers”. Journal of Human Sciences, vol. 8, no. 2, Sept. 2011, pp. 716-32, https://www.j-humansciences.com/ojs/index.php/IJHS/article/view/1253.