Davidson,, Patricia S. Picture puzzles with cuisenaire rods : grades 1-6 / Patricia S. Davidson, Jeffrey B. Sellon

Picture puzzles with cuisenaire rods : grades 1-6 / Patricia S. Davidson, Jeffrey B. Sellon . - New York : Cuisenaire Company of America, cop. 1969 . - 61 p. : il. 28 cm
0-914040-04-9 (Brochado)

51:372.851
372.851:51
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