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  1. 1
    The language sciences : an educational challenge? /
    per Bronckart, Jean-Paul
    Publicat 1985
    “…International Bureau of Education…”
    Llibre
  2. 2
    Integrated science in the junior secondary school in Sri Lanka /
    per Ranaweera, A. M.
    Publicat 1976
    At head of title: An International Bureau of Education series.
    "Study prepared for the Asian Centre of Educational Innovation for Development."
    “…International Bureau of Education…”
    Llibre
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