Showing 1 - 5 results of 5 for search 'Perrett, Heli', 查询时间: 0.01s Refine Results
  1. 1

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

    出版 1983
    图书

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

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

    出版 1983
    图书

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

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

    出版 1982
    图书

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

    Human factors in project work 由 Perrett, Heli

    出版 1980
    图书

    Human factors in project work
  5. 5

    Human factors in project work 由 Perrett, Heli

    出版 1980
    图书

    Human factors in project work

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