Diharjo, D. F. M. W. ., and Y. B. S. Manik. “Life Cycle Assessment a Coal Mining in East Kalimantan”. JST (Jurnal Sains Dan Teknologi), vol. 12, no. 3, Jan. 2024, pp. 613-21, doi:10.23887/jstundiksha.v12i3.68103.