“Assessment of Heavy Metals Pollution in the Tigris River Water Within Salah Al-Din Province, and Its Suitability for Irrigation Using the Heavy Metal Pollution Index (HPI) and Metal Index (MI)”. Euphrates Journal of Agricultural Science, vol. 18, no. 3, Sept. 2026, https://ejs-agri.com/index.php/EJAS/article/view/397.