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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.

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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.

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

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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. y 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.

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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 y 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.

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