SUBROTO, Gatot; SOEJONO, Djoko. Utilization Arabica Skin Waste of Coffee as a Basic Material for Making Bioethanol in Sukorejo Village, Sumber Wringin District Bondowoso Regency. Warta Pengabdian, [S.l.], v. 16, n. 1, p. 58-74, mar. 2022. ISSN 2655-7509. Available at: <https://jurnal.unej.ac.id/index.php/WRTP/article/view/21849>. Date accessed: 13 nov. 2024. doi: https://doi.org/10.19184/wrtp.v16i1.21849.