Maisoun Omar Suleiman Yousef 2025. The Difference Between Efficiency and Effectiveness and Their Relationship to Improving Institutional Performance: (A Case Study of the Palestinian Civil Defense Department, from the Perspective of Its Employees in the West Bank Governorates). Journal of Arts, Literature, Humanities and Social Sciences. 125 (Oct. 2025), 295-319. DOI:https://doi.org/10.33193/JALHSS.125.2025.1540.