“Water Quality Status in Different Aquatic Environments in Thi- Qar Province Based on NSF-WQI ”. University of Thi-Qar Journal of Science 6, no. 1 (April 20, 2019): 17–25. Accessed April 30, 2024. https://jsci.utq.edu.iq/index.php/main/article/view/44.