Ihsan, Muhammad, and Aurik Gustomo. 2025. “Analyzing Organizational Structures for Shift Workers in Mining Division Unit Pertambangan Tanjung Enim (UPTE) PTBA”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) 8 (3), 9858-68. https://doi.org/10.31538/iijse.v8i3.7621.