I Ketut R. Sudiarditha, Henry Eryanto, and Mahraeni. “Study of Individual Work Performance: Perceived Organizational Support, Organizational Based Self Esteem, and Work Engagement”. Journal of Business Management and Economics, vol. 7, no. 08, Aug. 2019, pp. 01-09, doi:10.15520/jbme.v7i08.2670.