TY  - BOOK
AU  - Bradbury,E.
ED  - Blackwell 
TI  - Mental arithmetic problems for juniors: teachers' book 
U1  - 513.9 23
PY  - 1900///].
CY  - [Oxford]: 
PB  - [Basil Blackwell], 
KW  - Mental Arithmetic
KW  - Mathematics
KW  - Teaching
ER  -