N. K. Abd Jalil, U. A. Asli, H. Hashim, A. Abd Jalil, A. Ahmad, and A. K. Khamis, “Biohydrogen Production from Pineapple Biomass Residue using Immobilized Co-culture of Clostridium sporogenes and Enterobacter aerogenes”, JEST, vol. 1, no. 1, Aug. 2018.