Drinking-water and sanitation, 1981-1990 : a way to health /

Những quyển sách tương tự

• The International Drinking Water Supply and Sanitation Decade Directory.
  Được phát hành: (1984)
• Water, sanitation, health - for all ? : prospects for the International Drinking Water Supply and Sanitation Decade, 1981-90 /
  Được phát hành: (1981)
• Resource mobilization for drinking water and sanitation in developing nations : proceedings of the international conference /
  Được phát hành: (1987)
• Technology for water supply and sanitation in developing countries : report of a WHO Study Group.
  Được phát hành: (1987)
• Water and sanitation economic and sociological perspectives
  Được phát hành: (1984)