Elma Ristia and Ari Prabowo 2026. ANALYSIS OF WORK ENGAGEMENT, SELF-EFFICACY AND ORGANIZATIONAL COMMITMENT ON EMPLOYEE WORK EFFECTIVENESS AT PT BANK SUMUT - MEDAN SHARIA BRANCH. International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS). 6, 5 (Sep. 2026), 2902–2913.