The Effect of COD Concentration Containing Leaves Litter, Canteen and Composite Waste to the Performance of Solid Phase Microbial Fuel Cell (SMFC)Ganjar Samudro, Syafrudin, Winardi Dwi Nugraha, Endro Sutrisno, Ika Bagus Priyambada, Hilma Muthi’ah, Glory Natalia Sinaga and Rahmat Tubagus HakiemE3S Web Conf., 31 (2018) 02008DOI: https://doi.org/10.1051/e3sconf/20183102008