※一部利用できない機能があります
1.
図書 |
edited by O. Lecarme and R. Lewis ; [organized by L'Association française de cybernétique économique et technique, et al.]
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2.
図書 |
organised by O.E.C.D. in collaboration with the 'Direction de la Coopération' of the French Ministry of Education at the Centre International d'Études Pédagogiques, Sèvres (France), March 9th/14th, 1970
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