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  1. 1

    Manual on the design, construction and maintenance of low-cost pour-flush waterseal latrines in India

    Udgivet 1984
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    Manual on the design, construction and maintenance of low-cost pour-flush waterseal latrines in India
  2. 2

    A monitoring and evaluation manual for low-cost sanitation programs in India. af Perlato, Ronald

    Udgivet 1984
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    A monitoring and evaluation manual for low-cost sanitation programs in India.
  3. 3

    The design of ventilated improved pit latrines. af Mara, D. Duncan (David Duncan)

    Udgivet 1984
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    The design of ventilated improved pit latrines.
  4. 4

    The design of ventilated improved pit latrines af Mara, D. Duncan 1944-

    Udgivet 1984
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    The design of ventilated improved pit latrines
  5. 5

    The ventilated improved double-pit latrine a construction manual for Botswana af van Nostrand, John

    Udgivet 1983
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    The ventilated improved double-pit latrine a construction manual for Botswana
  6. 6

    Pit latrine ventilation field investigation methodology af Ryan, Beverley A.

    Udgivet 1983
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    Pit latrine ventilation field investigation methodology
  7. 7

    Social feasibility analysis on low-cost sanitation projects. af Perret, Heli E.

    Udgivet 1983
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    Social feasibility analysis on low-cost sanitation projects.
  8. 8

    Ventilated improved pit latrines vent pipe design guidelines af Ryan, Beverley A.

    Udgivet 1983
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    Ventilated improved pit latrines vent pipe design guidelines
  9. 9

    Rural ventilated improved pit latrine a field manual for Botswana af van Nostrand, John

    Udgivet 1983
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    Rural ventilated improved pit latrine a field manual for Botswana
  10. 10

    Ventilated improved pit latrines recent developments in Zimbabwe af Morgan, Peter R.

    Udgivet 1982
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    Ventilated improved pit latrines recent developments in Zimbabwe

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