“THE EFFECT OF COMPETENCY DEVELOPMENT AND EMPOWERING LEADERSHIP ON SUBJECTIVE CAREER SUCCESS WITH SELF-EFFICACY AS A MEDIATING VARIABLE IN EMPLOYEES OF THE WEST SUMATRA EMPLOYMENT SOCIAL SECURITY AGENCY” (2026) Jurnal Riset Multidisiplin Edukasi, 3(3), pp. 289–304. doi:10.71282/jurmie.v3i3.1772.