Harun, H. et al. 2018. Performance of Aerobic Granular Sludge in Treating Soy Sauce Wastewater at Different Hydraulic Retention Time. International Journal of Engineering & Technology. 7, 4.35 (Nov. 2018), 564–568. DOI:https://doi.org/10.14419/ijet.v7i4.35.22910.