Complex SystemsPublished 28 March 2025Insight into employees' perceptions on reform initiatives in public service organizations using fractional order derivatives with optimal control strategiesGizachew Kefelew Hailu · Shewafera Wondimagegnhu Teklu · Yohannes Fissha Abebaw · Dejen Ketema MamoFrontiers in Complex Systemsdoi 10.3389/fcpxs.2025.1565736