Abd Jalil, Nur Kamilah, Umi Aisah Asli, Haslenda Hashim, Aishah Abd Jalil, Arshad Ahmad, and Aidee Kamal Khamis. 2018. “Biohydrogen Production from Pineapple Biomass Residue Using Immobilized Co-Culture of Clostridium Sporogenes and Enterobacter Aerogenes”. Journal of Energy and Safety Technology (JEST) 1 (1). https://doi.org/10.11113/jest.v1n1.8.