R. Maulana, W. Nugroho, H. Magdalena, A. Winarno, and A. J. Pontus, “EVALUASI TEKNIS DAN DIMENSI PENIMBUNAN PADA PRODUCT COAL STOCKPILE DI PT. PESONA KHATULISTIWA NUSANTARA PROVINSI KALIMANTAN TIMUR (TECHNICAL EVALUATION AND DIMENSIONS OF DEPOSIT FOR PRODUCT COAL STOCKPILE AT PT. PESONA KHATULISTIWA NUSANTARA, NORTH KALIMA”, jtm, vol. 3, no. 4, pp. 131-137, Nov. 2022.