Sirait, Josua, Deddy N.S.P. Tanggara, I Putu Putrawiyanta, Noveriady Noveriady, and Nuansa Mare Apui Ganang. “Estimasi Sumber Daya Batubara PT Lautan Hutan Lestari Blok D Site Lemo Kabupaten Barito Utara Provinsi Kalimantan Tengah”. Innovative: Journal Of Social Science Research 4, no. 6 (December 18, 2024): 6007–6021. Accessed July 11, 2026. https://j-innovative.org/index.php/Innovative/article/view/16627.