Yuharika Pratiwi, Dinda Queenty Dzakiyah Hartono, and Ruswaldi Munir. “Relationship Between Lactic Acid Levels And Work Fatigue In Palm Oil Harvesters At PT. X Kampar Regency”. International Journal of Medicine and Health 3, no. 3 (August 24, 2024): 96–102. Accessed June 13, 2026. https://journal.amikveteran.ac.id/index.php/ijmh/article/view/4163.