Prasetyo, Elli. “Evaluasi Hydraulic Retention Time (Hrt) Terhadap Removal Chemical Demand (Cod) Dalam Pengolahan Air Lindi Menggunakan Aerobic Fluidized Bed Reactor (AFBR)”. Jurnal Migasian, vol. 2, no. 2, Dec. 2018, pp. 28-34, doi:10.36601/jurnal-migasian.v2i2.28.