Georgiou, Y. S., N. Patsantaras, A. Koustelios, and A. .-. S. Antoniou. “Burnout, General Health and Coping Strategies Among Employees in Private Health and Fitness Centers”. The International Journal of Humanities & Social Studies, vol. 5, no. 3, Mar. 2017, https://internationaljournalcorner.com/index.php/theijhss/article/view/125304.