Rural water supplies and sanitation /

פריטים דומים

• Technology for water supply and sanitation in developing countries : report of a WHO Study Group.
  יצא לאור: (1987)
• Rural water supply and sanitation /
  מאת: Wright, Forrest Blythe, 1896-
  יצא לאור: (1977)
• Rural sanitation : planning and appraisal /
  יצא לאור: (1980)
• Women's issues in water and sanitation : attempts to address an age-old challenge
  יצא לאור: (1985)
• The International Drinking Water Supply and Sanitation Decade Directory.
  יצא לאור: (1984)