Zwageri R, Devy SD, Nugroho W, Winarno A, Magdalena H. 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. jtm [Internet]. 2022Dec.23 [cited 2025May19];3(5):22-7. Available from: https://www.ojs.cahayamandalika.com/index.php/jtm/article/view/1182