Enhancement of Biohydrogen Production via pH Variation using Molasses as Feedstock in an Attached Growth SystemC.N.S. Che Zuhar, N.A. Lutpi, N. Idris, Y.S. Wong and T.N. Tengku IzharE3S Web Conf., 34 (2018) 02045DOI: https://doi.org/10.1051/e3sconf/20183402045