Showing 1 - 5 results of 5 for search 'Perrett, Heli', זמן שאילתה: 0.01s Refine Results
  1. 1

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

    יצא לאור 1983
    ספר

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

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

    יצא לאור 1983
    ספר

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

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

    יצא לאור 1982
    ספר

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

    Human factors in project work מאת Perrett, Heli

    יצא לאור 1980
    ספר

    Human factors in project work
  5. 5

    Human factors in project work מאת Perrett, Heli

    יצא לאור 1980
    ספר

    Human factors in project work

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