Belal, Abdallah Ahmed, Basheer Mohammed El hassan, and Adam Dawria Ibrahim. “DETERMINATION OF FLUORIDE CONCENTRATIONS LEVEL IN DRINKING GROUND WATER IN SHENDI CITY, RIVER NILE STATE, SUDAN”. International Journal of Research -GRANTHAALAYAH 10, no. 4 (April 30, 2022): 15–25. Accessed May 3, 2024. https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/4493.