W. Eschenbach,
«Wind systems for pumping water : a training manual», vol. no. T-25. Peace Corps, Washington, DC, USA, p. 93 p.: fig., 1984.
M. Le Clere y Sherer, K.,
«A workshop design for latrine construction : a training guide», vol. no. 25. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. v, 272, 127 p.: fig., 1984.
D. Goff, Gormley, W., y Johnson, C.,
«A workshop design for spring capping : a training guide», vol. no. 28. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. v, 351, 125 p., 1984.
A. Pashkevich y Jones, A. L.,
«A workshop on handpump installation and maintenance in Riobamba, Ecuador : 17-27, 1983», vol. no. 110. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. v, 19 p., 1984.