Effect of Aeration Rates on Removals of Organic Carbon and Nitrogen in Small Onsite Wastewater Treatment System (Johkasou)Joni Aldilla Fajri, Tomonari Fujisawa, Yenni Trianda, Yasushi Ishiguro, Guangyu Cui, Fusheng Li and Toshiro YamadaMATEC Web Conf., 147 (2018) 04008DOI: https://doi.org/10.1051/matecconf/201814704008