Park , G., M. Kim, and Y. Han. “Exploration of Predictive Variables of Emotional Labor in Subordinate Roles and Verification of the Relations Model Between Emotional Labor and Burnout”. Korean Journal of Industrial and Organizational Psychology, vol. 27, no. 1, Feb. 2014, pp. 267-90, doi:10.24230/kjiop.v27i1.267-290.