Zwageri, R., Devy, S. D., Nugroho, W., Winarno, A., & Magdalena, H. (2022). RENCANA PENAMBANGAN BATUBARA TRIWULAN PADA CV. KUTAI KUMALA ENERGY KECAMATAN LOA KULU, KABUPATEN KUTAI KARTANEGARA, PROVINSI KALIMANTAN TIMUR : QUARTERLY COAL MINING PLAN AT CV. KUTAI KUMALA ENERGY LOA KULU DISTRICT, KUTAI KARTANEGARA REGENCY, EAST KALIMAN. Journal Transformation of Mandalika, E-ISSN: 2745-5882, P-ISSN: 2962-2956 , 3(5), 22-27. https://doi.org/10.36312/jtm.v3i5.1182