O-thong, S., Mamimin, C., & Prasertsan, P. (2011). Effect of temperature and initial pH on biohydrogen production from palm oil mill effluent: long-term evaluation and microbial community analysis. Electronic Journal of Biotechnology, 14(5). Retrieved from https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v14n5-9