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Ling, J.C.S.

Ling, J.C.S. & Reader-Wilstein, C., 1993. New issues paper for the Water Supply and Sanitation Collaborative Council : Rabat meeting of the Council, 7-10 September 1993 : water : a vital wellspring for human development : a case for advocacy, Geneva, Switzerland: Water Supply and Sanitation Collaborative Council, WSSCC. Available at: https://es.ircwash.org/sites/default/files/71-WSSCC93-11173.pdf.

Fecha publicación: 01/01/1970

Ling, J.C.S., 1989. Water supply and sanitation beyond 1990 : public information and promotion, The Hague, The Netherlands: IRC. Available at: https://es.ircwash.org/sites/default/files/204.3-89WA-6271.pdf.

Fecha publicación: 29/12/2004

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