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Les facteurs de coûts dans la planification des systèmes de technologies éducatives

By: Material type: TextTextSeries: Principes de la planification de l'éducation ; 24Publication details: Paris Unesco 1978Description: 68p 21cmISBN:
  • 9280320785
Subject(s): DDC classification:
  • 379.1 J32f
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