TY  - BOOK
AU  - Summer,W.L.
TI  - The teaching of arithmetic and elementary mathematics
U1  - 510.7 
PY  - 1955///
CY  - Oxford
PB  - Basil Blackwell
KW  - Mathematics
KW  - Study and teaching
KW  - Arithmetic
N1  - Includes bibliographical references and index
ER  -