S. Smits, Galvis, A., Zambrano, D. A., M. Badel, H., Andersson, K., y Bernal, D. P.,
«Cali : city of seven rivers», 2011, pp. p. 85 - 91; 1 box.
F. van Steenbergen, Haimanot, R. T., y Sidelil, A.,
«High fluoride, modest fluorosis : investigation in drinking water supply in Halaba (SNNPR, Ethiopia)»,
Journal of water resource and protection, pp. p. 120 - 126; 4 tab.; 1 fig., 2011.
B. R. T. Vilane y Mwendera, E. J.,
«An inventory of rainwater harvesting technologies in Swaziland»,
African journal of agricultural research [AJAR], pp. p. 1313 - 1321; 8 tab.; 2 fig., 2011.
K. Jezierska, Gonet, B., Podraza, W., y Domek, H.,
«A new method for the determination of water quality : technical note»,
Water SA, pp. p. 127 - 130 : 2 fig., 1 tab., 2011.
H. Wang, Shi, Y., Kim, Y., y Kamata, T.,
«Valuing water quality improvement in China : a case study of Lake Puzhehei in Yunnan province
», vol. 5766. World Bank, S.l., p. 33 p.; 6 tab., 2011.
Emergency Water, Sanitation and Hygiene group, EWASH,
«Water quality in the Gaza Strip», vol. 3. Emergency Water and Sanitation-Hygiene Group, EWASH, S.l., p. 4 p.; 2 photographs; 3 boxes, 2011.
U. N. C. S. D. Uinited Na Development,
«Water : RIO 2012 issues briefs», vol. 11. United Nations Conference on Sustainable Development, UNCSD, S.l., p. 4 p.; 1 tab., 2011.
A. Yasar, Khan, N. Y., Batool, A., Tabinda, A. B., Mehmood, R., y Iqbal, A.,
«Womens perception of water quality and its impacts on health in Gangapur, Pakistan»,
Pakistan Journal of Nutrition, pp. p. 702 - 706; 6 tab., 2011.