TY  - BOOK
AU  - Barker M.Charles
AU  - Curran,Helen
AU  - Metcalf Mary
TI  - The "new" math : for teachers and parents of elementary school children
T2  - A signet book complete & unabridged
AV  - QA135.5 B37 1965
PY  - 1965///
CY  - New York
PB  - The new american library
KW  - Lemb
KW  - Matematicas
KW  - Estudio y enseñanza
N1  - Incluye apèndice e ìndice
ER  -