Hajiardi, Dovi, Ahmad Husni, and Aris Susilo. 2024. “Analisis Cara Penanganan Penurunan Kualitas Batubara Di Stock ROM Ulak Pandan Sampai Jetty SDJ Di PT Bumi Merapi Energy”. Journal of Comprehensive Science (JCS) 3 (10):4778-84. https://doi.org/10.59188/jcs.v3i10.2392.