Mahmoud, Faeza, and Farah Salih. “Physiological Response of Wheat Plant Growing in Polluted Soil With Some Heavy Elements”. Journal of Education and Science (JES) 21, no. 1 (March 1, 2008): 40–55. Accessed August 6, 2025. https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23292.