TY  - BOOK
AU  - Buswell,Guy Thomas
AU  - Brownell, William A.
AU  - Sauble, Irene
TI  - Arithmetic we need
U1  - 513 23
PY  - 1959///
CY  - Boston
PB  - Ginn
KW  - Arithmetic
KW  - Study and teaching
N1  - Includes index
ER  -