Setiawan, A. F. (2025) “Biogas Production from Palm Oil Mill Effluent and the Prospect of Co-digestion with Empty Fruit Bunches – A Comprehensive Review”, Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), 14(5), pp. 1976–2005. doi: 10.23960/jtepl.v14i5.1976-2005.