N. I. Oktavitri, A. Soegianto, T. W. C. Putranto, A. P. Dewayanti, and A. L. Suryawan, “EFFECT HYDRAULIC AGITATION USING ANAEROBIC BIOFILTER FOR TREATED DOMESTIC WASTEWATER”, J Biol Res, vol. 18, no. 1, pp. 79-81, Oct. 2013.