VERFICATION OF PROCESS DESIGN OF AN EXTENDED AERATION FOR AL-SHURQAT WASTEWATER TREATMENT PLANT. J. eng. sustain. dev. [Internet]. 2016 Jan. 1 [cited 2024 May 4];20(1):48-5. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/630