Resource mobilization for drinking water and sanitation in developing nations : proceedings of the international conference /

Những quyển sách tương tự

• Water and sanitation economic and sociological perspectives
  Được phát hành: (1984)
• Handpumps testing and development : proceedings of a workshop in China /
  Được phát hành: (1985)
• Practical solutions in drinking water supply and wastes disposal for developing countries /
  Được phát hành: (1982)
• Technology for water supply and sanitation in developing countries : report of a WHO Study Group.
  Được phát hành: (1987)
• The risk of groundwater pollution by on-site sanitation in developing countries : a literature review /
  Bằng: Lewis, W. John
  Được phát hành: (1980)