El Awamy, Ifdial O, Ruqayah. A. A Abduljalil, and Omukalthum A. A Abduljalil. “Determining the Levels of Some Heavy Metals in Springs and Groundwater Wells in the Northeastern Region of Libya”. Al-Mukhtar Journal of Sciences 35, no. 4 (December 31, 2020): 329–343. Accessed May 6, 2026. https://mdp.omu.edu.ly/journals/index.php/mjsc/article/view/1376.