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  1. 1

    Municipal and rural sanitation / by Ehlers, Victor M.

    Published 1965
    Book
  2. 2

    Rural sanitation : planning and appraisal /

    Published 1980
    Book
  3. 3

    Rural water supplies and sanitation / by Morgan, Peter

    Published 1990
    Book
  4. 4

    Small waste disposal systems / by Dharmabalan, P.

    Published 1988
    Book
  5. 5

    Small waste water disposal systems / by Dharmabalan, P.

    Published 1989
    Book
  6. 6

    Technology for water supply and sanitation in developing countries : report of a WHO Study Group.

    Published 1987
    Book