Dangos 1 - 5 canlyniadau o 5 ar gyfer chwilio 'Perrett, Heli', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

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

    Cyhoeddwyd 1983
    Llyfr

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

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

    Cyhoeddwyd 1983
    Llyfr

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

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

    Cyhoeddwyd 1982
    Llyfr

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

    Human factors in project work gan Perrett, Heli

    Cyhoeddwyd 1980
    Llyfr

    Human factors in project work
  5. 5

    Human factors in project work gan Perrett, Heli

    Cyhoeddwyd 1980
    Llyfr

    Human factors in project work

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