Tamar, S.A. and Umer, M.I. 2022. Stabilization of Sludge in Zakho Municipal Wastewater by Anaerobic Digestion for Biogas Production in Kurdistan Region, Iraq. Science Journal of University of Zakho. 10, 3 (Jul. 2022), 86–92. DOI:https://doi.org/10.25271/sjuoz.2022.10.3.924.