Sari IW, Siddiq DM, Sulistiyana CS, Ramli NH, Tri NC. Perceived Organizational Support and Work Spirit as Predictors of Workplace Happiness: The Mediating Role of Employee Engagement Among Public Hospital Nurses. Indones. J. Econ. Rev. 2026;6(2):932-944. doi:10.59431/ijer.v6i2.872