Izhar Yusran, M. and Nur Hasanah, E. 2026. An Activity-Based Costing Approach to Calculate Unit Cost Under Dumping Area Relocation in Coal Mining Operations. Cerdika: Jurnal Ilmiah Indonesia. 6, 9 (Sep. 2026), 3691–3709. DOI:https://doi.org/10.59141/cerdika.v6i9.3857.