Showing 1 - 6 results of 6 for search 'International Youth Federation for Environmental Studies and Conservation', query time: 0.01s Refine Results
  1. 1
    Compendium on "Waste of natural resources"

    Date 1972
    “…International Youth Federation for Environmental Studies and Conservation…”
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  2. 2
    IYF Lüneburger Heide course 1955-1969

    Date 1971
    “…International Youth Federation for Environmental Studies and Conservation…”
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  3. 3
    Taraxacum
    Periodiciteit: maandelijks
    Date 1968-1993
    “…International Youth Federation for Environmental Studies and Conservation…”
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  4. 4
    Link : IYF European Newsletter

    Date 1982-1985
    “…International Youth Federation for Environmental Studies and Conservation…”
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  5. 5
    IYF bulletin

    Date 1974
    “…International Youth Federation for Environmental Studies and Conservation…”
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  6. 6
    Monthly Mailing : internal IYF newsletter between the Executive Board, the IYF Officers and Member Organisations

    Date 1976-
    “…International Youth Federation for Environmental Studies and Conservation…”
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