Jasem, Hayder M. “STUDY OF THE WATER QUALITY INDEX (WQI) IN NAJAF GOVERNORATE, AL-KUFA AND AL-ABASSIYA RIVERS AS A CASE STUDY”. Kufa Journal of Engineering, vol. 17, no. 1, Feb. 2026, pp. 584-96, https://doi.org/10.30572/2018/KJE/170133.