Rehab S. Al-Atbee, Makia M. Al-Hejuje, Hamid T. Al-Saad. “Applied Heavy Elements Pollution Index (HPI) As a Water Pollution Indicator at Al- Chibayish Marsh in Thi-Qar Province, Southern Iraq”. Mesopotamia Environmental Journal (mesop. Environ. J) ISSN: 2410-2598, vol. 5, no. 4, Feb. 2022, pp. 58-71, https://mej.uobabylon.edu.iq/index.php/mej/article/view/20.