يعرض 1 - 5 نتائج من 5 نتيجة بحث عن 'Perrett, Heli', وقت الاستعلام: 0.01s تنقيح النتائج
  1. 1

    Planning of communication support (information, motivation and education) in sanitation projects and programs حسب Perrett, Heli

    منشور في 1983
    كتاب

    Planning of communication support (information, motivation and education) in sanitation projects and programs
  2. 2

    Social feasibility analysis in low- cost sanitation projects حسب Perrett, Heli

    منشور في 1983
    كتاب

    Social feasibility analysis in low- cost sanitation projects
  3. 3

    Using communication support in projects the World Bank's experience. حسب Perrett, Heli E.

    منشور في 1982
    كتاب

    Using communication support in projects the World Bank's experience.
  4. 4

    Human factors in project work حسب Perrett, Heli

    منشور في 1980
    كتاب

    Human factors in project work
  5. 5

    Human factors in project work حسب Perrett, Heli

    منشور في 1980
    كتاب

    Human factors in project work

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