Dangos 1 - 3 canlyniadau o 3 ar gyfer chwilio '"United Nations Educational Scientific and Cultural Organization. Document ;"' Mireinio'r Canlyniadau
  1. 1
    Cyhoeddwyd 1970
    “...[United Nations Educational, Scientific and Cultural Organization. Document] ;...”
    Trafodyn Cynhadledd Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
    Mass media in society : the need of research.
  2. 2
    Cyhoeddwyd 1970
    “...United Nations Educational, Scientific and Cultural Organization. [Document] Sc.70.XIII.18 A....”
    Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
    The role of science and technology in economic development.
  3. 3
    Cyhoeddwyd 1967
    “...United Nations Educational, Scientific and Cultural Organization. [Document] SC/SP.67XIII.8.A....”
    Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
    Science policy and organization of research in Japan.

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