Ibrehem, Ahmmed, and Mohammed Azlan Hussain. “Mathematical Model and Advance Control for Activated Sludge Process in Sequencing Batch Reactor”. ASEAN Journal of Chemical Engineering 9, no. 1 (December 31, 2009): 32-46. Accessed November 6, 2024. https://dev.journal.ugm.ac.id/v3/AJChE/article/view/7709.