Appropriate technology for water supply and sanitation : sociocultural aspects of water supply and excreta disposal /

Eitemau Tebyg

• Appropriate technology for water supply and sanitation : health aspects of excreta and sullage management : a state-of-the-art review /
  gan: Feachem, Richard G.
  Cyhoeddwyd: (1980)
• Appropriate technology for water supply and sanitation : meeting the por for water supply and waste disposal /
  gan: Golladay, Fredrick L.
  Cyhoeddwyd: (1983)
• Appropriate technology for water supply and sanitation : technical and economic options /
  gan: Kalbermantten, John M.
  Cyhoeddwyd: (1980)
• Appropriate techonology for water supply and sanitation : a planner's guide /
  gan: Kalbermantten, John M.
  Cyhoeddwyd: (1980)
• Appropiate technology for water supply and sanitation : night-soil composting /
  gan: Shuval, Hillel I.
  Cyhoeddwyd: (1981)