Muhammad Arfandi, Husni Muharram Ritonga, and Daud Arifin. “Analysis of Compensation, Work Discipline, and Work Motivation on Employee Work Productivity at Pertamina EP Hulu Rokan”. International Conference Epicentrum of Economic Global Framework (February 13, 2026): 1425–1438. Accessed September 18, 2026. https://proceeding.pancabudi.ac.id/index.php/ICEEGLOF/article/view/1727.