Kurniawan, Arie, Eddy Ibrahim, Taufik Toha, and Rahmat Wahyudi Putra. 2025. “Planning of Sharing Wall At Iup Boundaries As A Strategy For Coal Conservation And Compliance With Mining Regulations”. International Journal of Science and Environment (IJSE) 5 (4):77-82. https://doi.org/10.51601/ijse.v5i4.244.