Al-Obaidi, Salih, صالح, Reyadh AbdulJabbar, ریاض, Mousa Al-Hamesh, and موسى. “Blood Contamination of Workers in the Fertilizer Industry - Baiji Heavy Elements”. Journal of Education and Science (JES) 19, no. 2 (March 1, 2007): 12–21. Accessed August 4, 2025. https://rjps.uomosul.edu.iq/index.php/edusj/article/view/18088.