P. Iyer, Felicio, M., et Warren, D. S.,
« Rural water supply and sanitation toolkit for multisector projects ». World Bank, Washington, DC, USA, p. 72 p., 2004.
I. Department IN,
« School and anganwadi toilet design : norms and options ». India, Department of Drinking Water Supply, New Delhi, India, p. 40 p. : boxes, 27 fig., 6 photogr., 2004.
M. Sohail,
Water and sanitation tariffs for the poor : guidance notes. Loughborough, UK: Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, 2004, p. xviii, 49 p. : boxes, fig., tab.