R. D. Saraswat,
“Evaluation of functioning, quality parameters and possibility of community management in gravity fed rural water supply schemes in Garhwal (Uttar Pradesh, India)”, vol. no. 159. IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), Delft, The Netherlands, p. VI, 80 p.: fig., map, tab., 1994.
E. Baumann and Fonseka, J.,
“Evaluation of maintenance systems in Ghana”. SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. 51 p.: fig., tab., photogr., 1994.
J. Mbugua,
“Rain water harvesting in Kenya : social economic issues research report”. International Rainwater Catchment Systems Association, Nairobi, Kenya, p. xii, 65, 21 p.: 28 fig., 15 tab., 1994.