Wardana, I. P., S. F. Al-Hamid, and L. H. Sulistiyowati. “The Influence of Leadership Style, Work Motivation, and Work Environment on Employee Productivity in Manufacturing Companies”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), Vol. 8, no. 3, Sept. 2025, pp. 10834-42, doi:10.31538/iijse.v8i3.6950.