Simbolon, Sahat, Linda Sutiono, and Dwi Maria Simbolon. “The Effect of Leadership Style, Work Stress and Commitment on Employee Work Productivity at PT. Lunadorii Utama in Medan, Indonesia”. International Journal of Finance, Economics and Business 2, no. 1 (March 31, 2023): 1–12. Accessed May 18, 2024. https://journal.srnintellectual.com/index.php/ijfeb/article/view/167.