Soeprijanto, Soeprijanto, dan K Brighton. “Influence of Oxygenation on Granulation in Anaerobic Wastewater Treatment” 9, no. 1 (Desember 31, 2009): 24-31. Diakses Juni 8, 2025. https://jurnal.ugm.ac.id/v3/AJChE/article/view/7708.