Trilaksana, Ahmad Raymond, and Heru Subiyantoro. “The Effect of Coal Production, Domestic Market Obligation, Selling Price, Coal Reserves, and Mining Investment on Indonesia’s Coal Export Realization”. Dinasti International Journal of Economics, Finance & Accounting 7, no. 1 (April 12, 2026): 593–619. Accessed April 23, 2026. https://dinastipub.org/DIJEFA/article/view/6577.