National Institute of Hygiene and Epidemiology -Vientiane, LA

Jakarta, I.D.World Bank & Vientiane, L.A.National I., 1997. Rural water supply and environmental health sector : sector strategy and guideline national framework, Vientiane, Lao PDR: National Institute of Hygiene and Epidemiology. Available at: https://pt.ircwash.org/sites/default/files/822-97-15452.pdf.