United Nations Department of Technical Co-operation for Development -New York, NY, US

United Nations Department of Technical Co-operation for Development -New York, NY, US & Stockholm, S.E.S.I.D.A.-, 1980. Papers presented at the United Nations Interregional Seminar on Rural Water Supply, Uppsala, Sweden, 6-17 October 1980, New York, NY, USA: United Nations Department of Technical Co-operation for Development. Available at: https://es.ircwash.org/sites/default/files/71UN80-710.pdf.