Hendrawan, A.K.F. et al. 2021. Nitrification Rate in the Bioremediation of Organic Wastewater using Chlorella sp. and Nitrifying-Denitrifying Bacteria. Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management). 11, 2 (Aug. 2021), 309–323. DOI:https://doi.org/10.29244/jpsl.11.2.309-323.