RAHMAN, Dudi; RAPHAEL, Francis. Optimizing the utilization of coal in Indonesia through downstreaming: Economic benefits, challenges and solutions. Economic Military and Geographically Business Review, [S. l.], v. 2, n. 2, 2025. DOI: 10.61511/emagrap.v2i2.2025.1472. Disponível em: https://journal-iasssf.com/index.php/EMAGRAP/article/view/1472. Acesso em: 14 mar. 2025.