1. G. Howard , J.Bartram , S.Water and W. H. Organization , Domestic water quantity, service level and health , World Health Organization , Geneva , 2003
2. WATER IN A CHANGING WORLD
3. UNICEF , World Health Organization , Progress on household drinking water, sanitation and hygiene 2000–2017: Special focus on inequalities , World Health Organization , 2017 , https://www.who.int/water_sanitation_health/publications/jmp-report-2019/en/
4. Efficiency of conventional drinking-water-treatment processes in removal of pharmaceuticals and other organic compounds
5. M. A. Shannon , P. W.Bohn , M.Elimelech , J. G.Georgiadis , B. J.Marinas and A. M.Mayes , Science and technology for water purification in the coming decades/Nanoscience and technology: a collection of reviews from nature Journals . 2010 , pp. 337–346