Ahn, J., S. Lee, H. Jung, and H. Lee. “Multigroup Analysis in the Context of Multilevel Analysis to Judge If a Referent-Shift Model Is Needed for Measurement of Composition Emergence”. Korean Journal of Industrial and Organizational Psychology, vol. 32, no. 1, Feb. 2019, pp. 29-53, doi:10.24230/kjiop.v32i1.29-53.