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Mathematics in grade 7, 8, 9. Teaching material used in the Frenchspeaking Switzerland. Academic year 1989/1990. Mathematique 7-8-9. Moyens d’enseignement des cantons de Suisse romande. Annee scolaire 1989/1990. Mathematik in den Klassen 7, 8, 9. Unterrichtsmittel in der frankophonen Schweiz. Schuljahr 1989/1990. (Institut Romand de Recherches et de Documentation Pedagogiques, Neuchatel (Switzerland)). (French)
Nov 1989. 43 p. Available from Institut Romand de Recherches et de Documentation Pedagogiques (IRDP), Neuchatel (Switzerland). Ser. Title: Regards. no. 89.311.
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