Nurfahmi and Mofijur, M. and Ong, H.C. and Jan, B.M. and Kusumo, F. and Sebayang, A.H. and Husin, H. and Silitonga, A.S. and Mahlia, T.M.I. and Rahman, S.M.A.  (2019) Production process and optimization of solid bioethanol from empty fruit bunches of palm oil using response surface methodology.  Processes, 7 (10).   ISSN 22279717