Chen, Y., Zhang, G., Xu , Y.J., and Huang, Z., “Influence of irrigation water discharge frequency on soil salt removal and rice yield in a semi-arid and saline-sodic area”, Water, pp. p. 578 - 589; 5 tab.; 5 fig., 2013.

Mader, P., “Attempting the production of public goods through microfinance : the case of water and sanitation : paper presented at the University of Pula 5th International Scientific Conference “Entrepreneurship and Macroeconomic Management: Reflections on the World ”. S.n., S.l., p. 19 p.;, 2011.

Juana, J.S., Strzepek, K.M., and Kirsten, J.F., “Market efficiency and welfare effects of inter-sectoral water allocation in South Africa”, Water policy : official journal of the World Water Council, pp. p. 220 - 231; 4 tab., 2011.

Arrenberg, A., “Production models for bone char defluoridation, Naivasha, Kenya”, Cranfield University at Silsoe, Silsoe, UK, 2010.

Centre for Affordable Water and Sanitation Technology -Calgary, Alta, CA, “Household water treatment and safe storage factsheet : ceramic pot filter”. Centre for Affordable Water and Sanitation Technology, Calgary, Alta, Canada, p. 5 p. : fig., tab., 2009.

Nhapi, I. and Gijzen, H.J., “A 3-step strategic approach to sustainable wastewater management”, Water SA, pp. p. 133-140 : 6 fig., 1 tab., 2005.

CREPA -Ouagadougou, BF, Centre Regional pour l'Eau Potable et l'Assainissement a Faible Cout, “Documentation de l'experience de WaterAid partenaires sur la promotion de l'hygiene et de l'assainissement au Burkina Faso”. Centre Regional pour l'Eau Potable et l'Assainissement a Faible Cout (CREPA), Ouagadougou, Burkina Faso, p. 78 p. : ill., fig., map, tab., 2004.

Affogbolo, A. and Yadouleton, J., “Comment mettre en place une organisation de pré collecte des ordures ménagères?”, pp. p. 263-265, 2001.

Sawadogo, A., “Etude du système de gestion des boues de vidange à Ouagadougou”. EIER, Ecole inter-Etats d'ingénieurs de l'équipement rural (Ouagadougou), Ouagadougou, Burkina Faso, p. 112 p. : map, tabs., 1999.

Seck, M., “Impact des eaux usées sur les produits maraîchers, perception des consommateurs Dakarois”, Info CREPA, pp. p. 10-15 : fig., tabs., 1998.

The Global Water Contract (GWC) -Brussel, BE, “Le manifeste de l'eau : le droit de tous à la vie”. Global Water Contract, Brussels, Belgium, p. 14 p., 1998.

Warhurst, A.M., McConnachie, G.L., and Pollard, S.J.T., “The production of activated carbon for water treatment in Malawi from the waste seed husks of Moringa Oleifera”, Water science and technology, pp. p. 177-184 : 2 fig., 2 tab., 1996.

Prakash, G., “Guidelines for quality control and quality assurance of Afridev handpump”. Handpump Technology Network, Swiss Centre for Development Cooperation in Technol, St. Gallen, Switzerland, p. 100 p.: 4 fig., 34 tab., 1995.

Venkatesan, N. and Saxena, A.K., “Pollution prevention strategy at an H-acid manufacturing unit”, Industry and environment, pp. p. 50-53: 4 fig., 3 tab., 1995.

Baumann, E. and Keen, J., “Afridev deep well handpump specification”. SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. 64 p.: fig., 1994.

UNICEF -New Delhi, IN and SGS India -Madras, IN, “Manual of quality control for handpumps and spares”. UNICEF, New Delhi, India, p. 2 vol. (171 p. ; 277 p.): fig., photogr., tab., tech. drwngs, 1994.

Abbott, J.M., “Integrated rural water supply and sanitation project, Karnataka : environmental sanitation”. BKH Consulting Engineers, The Hague, The Netherlands, p. vi, 67 p., 1992.

BKH Consulting Engineers -The Hague, NL, “18 District Towns Project : review of the Sanitation Programme”. BKH Consulting Engineers, The Hague, The Netherlands, p. xiv, 48, 80 p.: fig., 1991.

Auret, D. and Laver, S., “Evaluation report NORAD project 15: development and production of training and education materials : volume 1”. NORAD, Norwegian Agency for Development Cooperation, Harare, Zimbabwe, p. 82 p.: tab., 1991.

Myles, I., “Letrinas en Nicaragua : un resumen de la situacion actual y recomendaciones para el futuro”. INAA-CARE, Matagalpa, Nicaragua, p. 60 p.: fig., tab., 1990.

UNICEF -Addis Ababa, ET, World Bank. Regional Water and Sanitation Group for East and Southern Africa -Nairobi, KE, and Water Resources Commission -Addis Ababa, ET, “First national hand pump workshop : proceedings of a workshop held in Addis Ababa, Ethiopia, December 14, 1989”. Water Resources Commission, Addis Ababa, Ethiopia, p. ii, 79, iv p., 1989.

Munch-Petersen, N.F., “Low cost sanitation in Bangladesh as related to the Low cost sanitation project covering 84 pourashavas : consultants report”. Hoff & Overgaard a/s, Copenhagen, Denmark, p. ca. 127 p.: photogr., tab., 1989.

IRC International Water and Sanitation Centre, The Hague, NL and Zambia. Department of Water Affairs -ZM, “Report on the short course on preparation and production of guidelines and other communication materials, held in Lusaka 25-28 July 1989”. Zambia, Department of Water Affairs, Lusaka, Zambia, p. 36 p.: photogr., 1989.

Coura Cuentro, S. de, “Compostaje y reciclaje de residuos solidos urbanos : Brasil”, in Saneamiento alternativo o alternativas al saneamiento : actas del 1er seminario latinoamericano sobre saneamiento alternativo, Medellin, Colombia, Julio 24-29 de 1987, 1988, pp. P. 299-309 : tab.

Mina Morales, T., “Investigacion, desarollo y fabricacion de inodoros campesinos : Bolivia”, in Saneamiento alternativo o alternativas al saneamiento : actas del 1er seminario latinoamericano sobre saneamiento alternativo, Medellin, Colombia, Julio 24-29 de 1987, 1988, pp. P. 141-153: fig.