Approtech Asia -Manila, PH

International Secretariat for Water -Montreal, Que, CA, Secretariat International de l'Eau, Tilonia, I.N.Social Wor & Manila, P.H.Approtech, 1993. Report of the International Seminar on Drinking Water and Sanitation for Grassroots Organizations, Tilonia, India, November 21-25, 1993 [papers], Montreal, Que, Canada: International Secretariat for Water. Available at: https://es.ircwash.org/sites/default/files/205.1-93RE-11594.pdf.