WSSCC Working Group on Sanitation -Geneva, CH

Geneva, C.H.W.S.S.C.C.Work, 1997. Meeting of the editorial panel of the working group on promotion of sanitation, Yvoire, France, 4-6 June 1997, Geneva, Switzerland: World Health Organization (WHO). Available at: https://es.ircwash.org/sites/default/files/304-97ME-18135.pdf.