Azeez Safawi, A., عبد, Al - Shanouna, R., ریم, Al-Sardar, N. and نور (2018) “Assessment of water quality characteristics and calculation of coefficient (WQI) for some water sources in Abu-Maria village Tal-Afar district / Nineveh province”, Journal of Education and Science (JES), 27(3), pp. 81–98. doi: 10.33899/edusj.2018.159320.