Ali, Seroor Atalah Khaleefa, Lecturer Dr. Mohammed Ibrahim, and Hussein Ali Hussein MSc. “Removal of Lead from Wastewater by Graphene Coated Sand Composite”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 37, no. 1 (January 6, 2018): 1–9. Accessed May 5, 2024. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/8445.