Ali, I. N. ., Sabtie, H. A. ., Hassan, K. F. ., F., S. ., Hmood, A. H. ., & Ubeed, S. H. . (2014). Moving bed biofilm reactor technology as batch system in wastewater treatment. Journal of Biotechnology Research Center, 8(2), 66–75. https://doi.org/10.24126/jobrc.2014.8.2.335