1.
Sugiarto W, T. Listyani R.A., Winarti. EFFECT OF ASH CONTENT ON COAL QUALITY OF THE LABANAN FORMATION . Journal Technology of Civil, Electrical, Mechanical, Geology, Mining, and Urban Design [Internet]. 2023Apr.17 [cited 2024May20];8(1):1-. Available from: //journal.itny.ac.id/index.php/krvtk/article/view/4020