Masoud, Mohamed. “Quality Assessment of Underground Water before and AfterTreatment: A Case Study of Tobruk City, Libya”. Scientific Journal for Faculty of Science-Sirte University 1, no. 1 (October 28, 2021): 53–60. Accessed May 7, 2024. https://journal.su.edu.ly/index.php/jsfsu/article/view/30.