Sustainability assessment of xylitol production from empty fruit bunch Rendra Hafyan, Lupete Bhullar, Zulfan Putra, MR Bilad, MDH Wirzal and NAHM Nordin MATEC Web Conf., 268 (2019) 06018 Published online: 20 February 2019 DOI: 10.1051/matecconf/201926806018