1. Drinking-water, World Health Organization. (2019). https://www.who.int/news-room/fact-sheets/detail/drinking-water (accessed June 2, 2021).
2. The United Nations world water development report 2020: water and climate change - UNESCO Digital Library, (n.d.). https://unesdoc.unesco.org/ark:/48223/pf0000372985.locale=en (accessed March 30, 2021).
3. Inorganic Contaminants of Surface Water: Research and Monitoring Priorities;Moore,2012
4. Gasoline in groundwater;McKee;J Water Pollut Control Fed.,1972
5. Microbial contamination of drinking water and disease outcomes in developing regions;Ashbolt;Toxicology,2004