Kurniawan, A., Ibrahim, E. , Toha, T. and Wahyudi Putra, R. 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 (Oct. 2025), 77–82. DOI:https://doi.org/10.51601/ijse.v5i4.244.