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  1. 1

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

    منشور في 1984
    كتاب

    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. حسب Perlato, Ronald

    منشور في 1984
    كتاب

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

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

    منشور في 1984
    كتاب

    The design of ventilated improved pit latrines.
  4. 4

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

    منشور في 1984
    كتاب

    The design of ventilated improved pit latrines
  5. 5

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

    منشور في 1983
    كتاب

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

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

    منشور في 1983
    كتاب

    Pit latrine ventilation field investigation methodology
  7. 7

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

    منشور في 1983
    كتاب

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

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

    منشور في 1983
    كتاب

    Ventilated improved pit latrines vent pipe design guidelines
  9. 9

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

    منشور في 1983
    كتاب

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

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

    منشور في 1982
    كتاب

    Ventilated improved pit latrines recent developments in Zimbabwe

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