TY  - BOOK
AU  - Cuisenaire,G.
TI  - Numbers in colour:  a new method of teaching the processes of arithmetic to all levels of the primary school
AV  - PAM QA135.C8 1957 
PY  - 1963///
CY  - London
PB  - Heinemann Educational Books
KW  - Arithmetic
KW  - Study and teaching
ER  -