Ayad Fadeel Qasim and Omer Moayad Khalil Al-Obady 2023. Performance Evaluation of Al-Khadraa’ Wastewater Treatment Plant, Mosul-Iraq. Tikrit Journal of Pure Science. 23, 7 (Jan. 2023), 42–46. DOI:https://doi.org/10.25130/tjps.v23i7.694.