Toker, B., and M. B. Kalıpçı. “The Effect of Employees' Socio-Demographic Features on Happiness: An Application in Hotel Businesses in Antalya”. Journal of Turkish Tourism ResearchSEARCH, vol. 5, no. 3, Sept. 2021, pp. 2002-16, doi:10.26677/TR1010.2021.831.