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Malawi. Government -MW. Community Based Management Unit, «Community handbook on water and sanitation : AFRIDEV version». Malawi, Government, Community Based Management Unit, Lilongwe, Malawi, p. 73 p. : ill.
Servicios Educativos Rurales -Lima, PE, «Cómo organizamos para mantener nuestro sistema de agua potable». Servicios Educativos Rurales, Lima, Peru, p. 38 p.
Calvert, P., «Compost toilets : practical action, technology challenging poverty». The Schumacher Centre for Technology and Development, Rugby, UK, p. 5 p. : 1 fig.
Empresa de Acueducto y Alcantarillado de Cali S.A. ESP -Cali, CO, ACUACALI, Universidad del Valle -Cali, CO, y CINARA -Cali, CO, «Conozcamos y cuidemos nuestro alcantarillado». Empresa de Acueducto y Alcantarillado de Cali S.A. ESP – ACUACALI, Cali, Colombia, p. 22 p.
Tamil Nadu (State) -IN. Water Supply and Drainage Board, «Handpump caretaker training». Tamil Nadu Water and Drainage Board, Madras, India, p. 41 p. : ill.
Segall, M., Haddon, B., Hassinen-Ali Azzani, T., y Topo, L., «Health through district focus : phase III mid-term review, Kenya-Finland Primary Health Care Programme». FINNIDA, Ministry of Foreign Affairs, Helsinki, Finland, p. 2 vol. (64, 98 p.): fig., tab.
IRC International Water and Sanitation Centre, The Hague, NL, «IRC slides on slow sand filtration». IRC, The Hague, The Netherlands, p. Slide series: 2 files (133 slides + text, 7p.).
National Environmental Engineering Research Institute -Nagpur, IN, NEERI, «Iron removal plant in ferro-cement construction and maintenance». National Environmental Engineering Research Institute, NEERI, Nagpur, India, p. 40 p. : tab., techn. drwngs.
UNICEF, «Juanita y la gotita 3 : cuidemos y mantengamos la calidad de nuestra agua». UNICEF, S.l., p. 15 p.;drawings.
Sanchez, L.D., «Limpieza de la biomembrana en un filtro lento en arena y su efecto al inicio de la carrera de filtración». p. 172 p. : tab., graphics .
Denmark. Ministry of Foreign Affairs - DK, «Rapport d'Evaluation Concomitante : phase 4A du projet d'hydraulique, ONEA, Burkina Faso». Denmark, Ministry of Foreign Affairs, Copenhagen, Denmark, p. 173 p. : 2 box., 1 fig., 9 tab.
Dhaka Community Hospital -Dhaka, BD, «Report on dug wells implemented by DCH : 2nd phase : drinking water supply through pipelines at the household level for the rural community». Dhaka Community Hospital, Dhaka, Bangladesh, p. 19 p. : fig., tab.
National Institute of Agricultural Engineering -Silsoe, GB, «Simple water pump». National Institute of Agricultural Engineering, Silsoe, UK, p. 8 p. : techn.drwng.
Zambia. Ministry of Education -ZM, «Teacher's guide for the integrated of water, sanitation and hygiene education, and HIV/aids for grades 1 - 7». Zambia, Ministry of Education, Lusaka, Zambia, p. 58 p.
Golding, E.W., «Windmills for water lifting and the generation of electricity on the farm», vol. no. 17. Food and Agriculture Organization (FAO), Rome, Italy, p. ii, 60 p. + 6 p. annexes.

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