Fajar Herdiaman, Indra, and Hapzi Ali. 2025. “Determination of Operational Costs of PT. Antam Tbk. West Kalimantan Bauxite Mining Business Unit: Types of Letter of Credit (LC), Terms of Letter of Credit (LC), and Transaction Efficiency”. Dinasti International Journal of Economics, Finance &Amp; Accounting 5 (6):5846-54. https://doi.org/10.38035/dijefa.v5i6.3696.