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Ansell, C.

Burrowes, R. & Ansell, C., 1981. Training manual in elementary hygiene/sanitation and its instruction, Sana'a, Yemen: Save the Children.

Fecha publicación: 29/12/2004

Burrowes, R. & Ansell, C., 1981. Communicating hygiene/sanitation messages to villagers : an experiment in Wadi Ayyan, Sana'a, Yemen: Save the Children. Available at: https://es.ircwash.org/sites/default/files/823-3268.pdf.

Fecha publicación: 01/01/1970

Ansell, C., 1980. Domestic water use in a subdistrict of Mahweit province, (Applied research report /Save the Children no. 2) Sana'a, Yemen: Save the Children. Available at: https://es.ircwash.org/sites/default/files/823YE.MA80-3265.pdf.

Fecha publicación: 29/12/2004

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