Mostrar 1 - 5 resultats de 5 per cerca 'Perrett, Heli', hora de la petició: 0.01sec Refinar resultats
  1. 1

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

    Publicat 1983
    Llibre

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

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

    Publicat 1983
    Llibre

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

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

    Publicat 1982
    Llibre

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

    Human factors in project work per Perrett, Heli

    Publicat 1980
    Llibre

    Human factors in project work
  5. 5

    Human factors in project work per Perrett, Heli

    Publicat 1980
    Llibre

    Human factors in project work

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