Muliawati, D. N., Robain , W., & Wahyono , T. (2026). Analysis of Work Motivation, Work Discipline, and Work Ability on Employee Performance at PT Perkebunan Nusantara IV Medan. Journal of Management, Economic, and Accounting, 5(4), 2629–2640. https://doi.org/10.37676/jmea.v5i4.1867