Applied heavy elements pollution index (HPI) as a water pollution indicator at Al- Chibayish marsh in Thi-Qar province, southern Iraq. mesop. environ. j [Internet]. 2022 Feb. 24 [cited 2025 Apr. 3];5(4):58-71. Available from: https://mej.uobabylon.edu.iq/index.php/mej/article/view/20