Acra A (1990). Destructive Effect of Sunlight on Bacteria in Oral Rehydration Solution Contaminated with Sewage. Lancet Dec., pp. 1259-1258.
Acra A, Jurdi M, Muallem HK, Raffoul Z (1990). Water Disinfection by Solar Radiation, Assessment and Application. The International Development Research Center.
Anghem K (1984). Drinking water, Treatment agents and Health. J. Royal Society Health, 2(99): 151-159.
Bland J (1980). The village pays its Share. World Health Aug. – Sept., 18: 71.
Buchanan (1983). Ground Water Quality and Quantity Assessment. J. Ground Water. pp. 193-200.
Chapman M (1992). Water Quality Assessments. Chapman and Hall Ltd. WHO, UNEP, UNESCO Church Livingstone, Edinburgh, London and New York, pp. 484-488.
Chilton J (1992). Women and Water. Waterlines J. 2(110): 2-4.
EPA (2005). "Protecting Water Quality from Agricultural Runoff" Fact Sheet No. EPA-841-F-05-001.
Hofkes AK (1981). Water for sustainable development in the 21st century and global perspectives. Water Int., 4(16): 20-25.
Kootapep S, Supot U, Viliurk K, Somai K (1980). Solar Water Disinfection Experiences in Thailand, Proceedings of Workshop on Solar Water Disinfection, by IDRC-MR, 23: 75-81.
Lloyd A, Helmer KA (1991). Impact of Agriculture on water quality. Water int., 3(15): 160-167.