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Robens Institute -Guildford, GB

Guildford, G.B.Robens Ins, 1993. Oxfam/DelAgua portable water testing kit : users manual rev.+upd. 3rd ed., Guildford, UK: University of Surrey, Robens Institute. Available at: https://es.ircwash.org/sites/default/files/241.0-93OX-6644.pdf.

Fecha publicación: 29/12/2004

Lima, P.E.DelAgua -, Guildford, G.B.Robens Ins & PE, P.Ministerio, 1989. National plan for surveillance of drinking water supply services : summary, Guildford, UK: University of Surrey, Robens Institute. Available at: https://es.ircwash.org/sites/default/files/242-89NA-10830.pdf.

Fecha publicación: 29/12/2004

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