Azelya, I., and I. Noviyanti. “Enhancing Competitiveness For Employee Performance In The Hospitality Sector: An Analysis Of Core Self-Evaluation And Proactive Personality”. Management Studies and Entrepreneurship Journal (MSEJ), vol. 6, no. 3, Aug. 2025, pp. 3715-29, doi:10.37385/msej.v6i3.9105.