Principles directeurs pour le développement de l'éducation environnementale non formelle / MM.A.J. Young et, M.J. McElhone

Contributor(s): Material type: TextTextSeries: Série éducation environnementale ; 23.Publication details: Paris : UNESCO, 1987.Edition: 1st edDescription: iii, 44 p. ; 29.5 cmSubject(s): DDC classification:
  • 574.507 19
Subject: Environment Management
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