Hidden rods-hidden numbers : simple games of logic / Manon P. Charbonneau
Main AuthorCharbonneau, Manon P.CountryEstados Unidos.PublicationNew York : Cuisenaire Company of America, cop. 1975DescriptionV, 78 p. ;
14x22 cmISBN0-914040-13-8 CDU51:372.851372.851:51371.38
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