TY  - BOOK
AU  - Banks,John Houston
ED  - Allyn and Bacon 
TI  - Learning and teaching arithmetic
U1  - 372.72 23
PY  - 1964///.
CY  - Boston: 
PB  - Allyn and Bacon, 
KW  - Arithmetic
KW  - Study and teaching
N1  - Includes index
ER  -