“Aeration Tank Behavior in the Activated Sludge Wastewater Treatment Plant Startup Conditions Case Study; (Wastewater Treatment Plant of General Mosul Hospital- Iraq”. Muthanna Journal of Engineering and Technology 1, no. 1 (April 14, 2023). Accessed April 25, 2026. https://www.muthuni-ojs.org/index.php/mjet/article/view/99.