Z ZHANGK SHOWJ TAYD LIANGD LEE2024-12-232024-12-232008-0310.1016/j.ijhydene.2007.09.048https://dspace-cris.utar.edu.my/handle/123456789/7574Biohydrogen production with anaerobic fluidized bed reactors—A comparison of biofilm-based and granule-based systemsjournal-article