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
371.38