Mukhlis T, Amri I, Helwani Z. Upgrading Karakteristik Biopelet Tandan Kosong Sawit Dengan Penambahan Oil Sludge Sebagai Co-Firing. jbchees [Internet]. 2021Mar.31 [cited 2025Jul.22];2(1):45-. Available from: https://jbchees.ejournal.unri.ac.id/index.php/jbchees/article/view/33