107. Potgieter, N., Becker, P., & Ehlers, M. (2009). Evaluation of the CDC safe water‐storage intervention to improve the microbiological quality of point‐of‐use drinking water in rural communities in South Africa. _Water SA_ , _35_ (4), 505–16.

108. Quick, R., Kimura, A., Thevos, A., Tembo, M., Shamputa, I., Hutwagner, L., & Mintz, E. (2002). Diarrhea prevention through household‐level water disinfection and safe storage in Zambia. _The American Journal of Tropical Medicine and Hygiene_ , _66_ (5), 584–89. Retrieved from http://www.ncbi.nlm.nih.gov/pubmed/12201595.

109. Quick, R., Venczel, L., Gonzalez, O., Mintz, E., Highsmith, A., Espada, A., ... Tauxe, R. (1996). Narrow‐mouthed water storage vessels and in situ chlorination in a Bolivian community: a simple method to improve drinking water quality. _The American Journal of Tropical Medicine and Hygiene_ , _54_ (5), 511–16.

110. Quick, R., Venczel, L., Mintz, E., Soleto, L., Aparicio, J., Gironaz, M., ... Tauxe, R. (1999). Diarrhoea prevention in Bolivia through point‐of‐use water treatment and safe storage: a promising new strategy. _Epidemiology and Infection_ , _122_ (1), 83– 90. Retrieved from

- http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=2809591&tool=pmcentrez&rendertype=abstract.

111. Ram, P., Halder, A., Granger, S., Jones, T., Hall, P., Hitchcock, D., ... Luby, S. (2010). Is structured observation a valid technique to measure handwashing behavior? Use of acceleration sensors embedded in soap to assess reactivity to structured observation. _The American Journal of Tropical Medicine and Hygiene_ , _83_ (5), 1070–76. doi:10.4269/ajtmh.2010.09‐0763.

112. Rauniyar, G. (2009). Evaluation of the impact of water supply in Pakistan. Asian Development Bank.

113. Rauniyar, G., Orbeta, A., & Sugiyarto, G. (2011). Impact of water supply and sanitation assistance on human welfare in rural Pakistan. _Journal of Development Effectiveness_ , _3_ (1), 62–102. doi:10.1080/19439342.2010.549947.

114. Reller, M., Mendoza, C., Lopez, B., Alvarez, M., Hoekstra, R., Olson, C., ... Luby, S. (2003). A randomized controlled trial of household‐based flocculant‐disinfectant drinking water treatment for diarrhea prevention in rural Guatemala. _The American Journal of Tropical Medicine and Hygiene_ , _69_ (4), 411–19. Retrieved from http://www.ncbi.nlm.nih.gov/pubmed/14640502.

115. Roberts, L., Chartier, Y., Chartier, O., Malenga, G., Toole, M., & Rodka, H. (2001). Keeping clean water clean in a Malawi refugee camp: a randomized intervention trial. _Bulletin of the World Health Organization_ , _79_ (4), 280–87. Retrieved from http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=2566389&tool=pmcentrez&rendertype=abstract.

116. Rose, A., Roy, S., Abraham, V., Holmgren, G., George, K., Balraj, V., ... Kang, G. (2006). Solar disinfection of water for diarrhoeal prevention in southern India. _Archives of Disease in Childhood_ , _91_ (2), 139–41. doi:10.1136/adc.2005.077867.

117. Rosen, L., Manor, O., Engelhard, D., Brody, D., Rosen, B., Peleg, H., ... Zucker, D. (2006). Can a handwashing intervention make a difference? Results from a randomized controlled trial in Jerusalem preschools. _Preventive Medicine_ , _42_ (1), 27–32. doi:10.1016/j.ypmed.2005.09.012.

118. Rosen, L., Zucker, D., Brody, D., Engelhard, D., & Manor, O. (2009). The effect of a handwashing intervention on preschool educator beliefs, attitudes, knowledge and self‐efficacy. _Health Education Research_ , _24_ (4), 686–98. doi:10.1093/her/cyp004.

119. Roushdy, R., Sieverding, M., & Radwan, H. (2012). _The Impact of Water Supply and Sanitation on Child Health: Evidence from Egypt_ . Poverty, Gender, And Youth Working Paper No. 24, Population Council, New York.

120. Rubenstein, A., Boyle, J., Odoroff, C., & Kunitz, J. (1969). Effect of improved sanitary facilities on infant diarrhea in a Hopi village. _Public Health Reports_ , _84_ (12), 1093–100.

121. Ruprah, I., & Marcano, L. (2009). Does technical assistance matter? An impact evaluation approach to estimate its value added. _Journal of Development Effectiveness_ , _1_ (4), 507–28. doi:10.1080/19439340903370451.

122. Semenza, J., Roberts, L., Henderson, A., Bogan, J., & Rubin, C. (1998). Water distribution system and diarrheal disease transmission: a case study in Uzbekistan. _The American Journal of Tropical Medicine and Hygiene_ , _59_ (6), 941–46. Retrieved from http://www.ncbi.nlm.nih.gov/pubmed/9886204.

123. Shahid, N., Greenough, W., Samadi, A., Huq, M., & Rahman, N. (1996). Hand washing with soap reduces diarrhoea and spread of bacterial pathogens in Bangladesh village. _Journal of Diarrhoeal Diseases Research_ , _14_ (2), 85–89.

124. Sobel, J., Mahon, B., Mendoza, C., Passaro, D., Cano, F., Baier, K., ... Mintz, E. (1998). Reduction of fecal contamination of street‐vended beverages in Guatemala by a simple system for water purification and storage, handwashing, and beverage storage. _The American Journal of Tropical Medicine and Hygiene_ , _59_ (3), 380–87. Retrieved from http://www.ncbi.nlm.nih.gov/pubmed/9749629.

125. Sobsey, M., Handzel, T., & Venczel, L. (2003). Chlorination and safe storage of household drinking water in developing countries to reduce waterborne disease. _Water Science and Technology_ , _47_ (3), 221–28. Retrieved from http://www.ncbi.nlm.nih.gov/pubmed/12639033.

126. Spears, D., & Lamba, S. (2013). _Effects of Early‐Life Exposure to Sanitation on Childhood Cognitive Skills: Evidence from India’s Total Sanitation Campaign._ Policy Research Working Paper No. 6659, World Bank, Washington DC.

127. Stanton, B., & Clemens, J. (1987). An educational intervention for altering water‐sanitation behaviors to reduce childhood diarrhea in urban Bangladesh. _American Journal of Epidemiology_ , _125_ (2), 292–301.

128. Stanton, B., & Clemens, J. (1988). Educational intervention for altering water‐sanitation behaviour to reduce childhood diarrhea in urban Bangladesh: impact on nutritional status. _American Journal of Clinical Nutrition_ , _48_ (5), 1166–72.

129. Stauber, C., Kominek, B., Liang, K. R., Osman, M. K., & Sobsey, M. (2012). Evaluation of the impact of the plastic BioSand filter on health and drinking water quality in rural Tamale, Ghana. _International Journal of Environmental Research and Public Health_ , _9_ (11), 3806–23. doi:10.3390/ijerph9113806.

37