Hydrochemistry Assessment of Surface and Groundwater Quality Using GIS and a Heavy Metal Pollution Index (HMPI) Model in a Hawija area, Kirkuk, north Iraq. Iraqi Journal of Science [Internet]. 2025 Jan. 30 [cited 2025 Mar. 13];66(1):180-95. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11520